{"Name":"Epilepsy with myoclonic atonic seizures","DiseaseID__c":"GARD:0016108","id":16108,"encodedName":"epilepsy-with-myoclonic-atonic-seizures","IsDeleted":false,"Disease_Name_Full__c":"Epilepsy with myoclonic atonic seizures","Xref_IDs__c":"230421008; C0393702; C165674; DOID:0060475; MEDGEN:98284; MONDO:0014633; OMIM:616421; ORPHA:1942","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":5,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":null,"No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":4,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":1,"Description_Source__c":"OMIM:616421","Disease_Description__c":"Myoclonic-atonic epilepsy (MAE) is an autosomal dominant disorder characterized by onset of absence and myoclonic seizures in early childhood. Patients have delayed development before the onset of seizures and show varying degrees of impaired intellectual development following seizure onset (summary by {1:Carvill et al., 2015}).","GARD_Name__c":"Epilepsy with myoclonic atonic seizures","GARD_Synonym__c":"doose syndrome; emas; emats; emats - epilepsy with myoclonic-atonic seizures; epilepsy with myoclonic-astatic seizures; epilepsy with myoclonic-atonic seizures; generalised myoclonic-atonic seizure; generalized myoclonic-atonic seizure; mae; myoclonic atonic epilepsy; myoclonic atonic seizures; myoclonic-astatic epilepsy; myoclonic-astatic epilepsy in early childhood; myoclonic-astatic seizure; myoclonic-atonic epilepsy","Curated_Disease_Description_Source__c":"PlainLanguagePilotV2-Jan24","Curated_Disease_Description__c":"Myoclonic-atonic epilepsy (MAE) is a type of epilepsy that starts in early childhood. This condition is characterized by absence and myoclonic seizures. Absence seizures are characterized by a brief loss of consciousness. Myoclonic seizures are characterized by short episodes of involuntary jerking movements in different muscle groups. Patients with MAE often experience delayed development before the onset of seizures. They may also have varying degrees of impaired intellectual development following seizure onset. MAE is caused by mutations in the SLC6A1 gene. It is inherited in an autosomal dominant pattern. This means a single copy of the mutated gene is sufficient to cause the disorder. Most cases occur for the first time in a family as the result of a new (de novo) mutation.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":"as a Child","SourceID__c":"OMIM:616421","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014633","ORPHANET_ID__c":"ORPHA:1942","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Epilepsia con crisis mioclónicas-atónicas","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"epilepsia con crisis mioclónicas-atónicas","Spanish_GARD_Synonym__c":"emas; emats; epilepsia con crisis mioclónicas astáticas; epilepsia mioclónica astática infantil temprana; epilepsia mioclónica atónica; mae; síndrome de doose","Category_Linearization__c":"ORPHA:98006","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"Myoclonic-atonic epilepsy (MAE) is a type of epilepsy that starts in early childhood. This condition is characterized by absence and myoclonic seizures. Absence seizures are characterized by a brief loss of consciousness. Myoclonic seizures are characterized by short episodes of involuntary jerking movements in different muscle groups. Patients with MAE often experience delayed development before the onset of seizures. They may also have varying degrees of impaired intellectual development following seizure onset. MAE is caused by mutations in the SLC6A1 gene. It is inherited in an autosomal dominant pattern. This means a single copy of the mutated gene is sufficient to cause the disorder. Most cases occur for the first time in a family as the result of a new (de novo) mutation.","Curated_Disease_Description_Source__c":"PlainLanguagePilotV2-Jan24","GARD_Synonym__c":"doose syndrome; emas; emats; emats - epilepsy with myoclonic-atonic seizures; epilepsy with myoclonic-astatic seizures; epilepsy with myoclonic-atonic seizures; generalised myoclonic-atonic seizure; generalized myoclonic-atonic seizure; mae; myoclonic atonic epilepsy; myoclonic atonic seizures; myoclonic-astatic epilepsy; myoclonic-astatic epilepsy in early childhood; myoclonic-astatic seizure; myoclonic-atonic epilepsy","Name":"Epilepsy with myoclonic atonic seizures","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"SLC6A1 Connect","Website__c":"https://SLC6A1Connect.org"},{"Account_Name__c":"Simons Searchlight","Website__c":"https://www.simonssearchlight.org/"},{"Account_Name__c":"CURE Epilepsy","Website__c":"https://www.cureepilepsy.org/"},{"Account_Name__c":"Epilepsy Foundation","Website__c":"https://www.epilepsy.com/"},{"Account_Name__c":"Doose Syndrome Epilepsy Alliance","Website__c":"https://doosesyndrome.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Neurology","Tag_Category__c":"Disease Category;Specialist","category_description":"Neurological diseases affect the brain, spinal cord, cranial nerves, autonomic nerves, or other peripheral nerves.","curated_tag_name":"Neurological diseases"},{"Tag_Name__c":"Epilepsy","Tag_Category__c":"Account;Specialist","curated_tag_name":"Epilepsy"},{"Tag_Name__c":"Neurodevelopmental disabilities","Tag_Category__c":"Specialist","curated_tag_name":"Neurodevelopmental disabilities"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:1942"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0002169","Source__c":"RareSource"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK589173","Source__c":"Gene Review","Xref__c":"NBK589173"},{"URL__c":"https://www.omim.org/entry/616421","Source__c":"C0393702; MONDO:0014633","Xref__c":"OMIM:616421"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0060475","Source__c":"MONDO:0014633","Xref__c":"DOID:0060475"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0393702","Source__c":"C0393702","Xref__c":"C0393702"},{"URL__c":"https://hpo.jax.org/browse/term/HP:0011170","Source__c":"C0393702","Xref__c":"HP:0011170"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014633","Source__c":"GARD:0016108","Xref__c":"MONDO:0014633"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=98284","Source__c":"C0393702","Xref__c":"MEDGEN:98284"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C165674","Source__c":"C0393702","Xref__c":"C165674"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=230421008","Source__c":"C0393702; MONDO:0014633","Xref__c":"230421008"},{"URL__c":"https://www.orpha.net/en/disease/detail/1942","Source__c":"C0393702; MONDO:0014633; ORPHA:1942","Xref__c":"ORPHA:1942"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"SLC6A1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Persistent deficits in social interaction and communication and interaction as well as a markedly restricted repertoire of activity and interest as well as repetitive patterns of behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000729","HPO_Synonym__c":"ASD; Pervasive developmental disorder","HPO_Name__c":"Autistic behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Attention deficit hyperactivity disorder (ADHD) manifests at age 2-3 years or by first grade at the latest. The main symptoms are distractibility, impulsivity, hyperactivity, and often trouble organizing tasks and projects, difficulty going to sleep, and social problems from being aggressive, loud, or impatient.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007018","HPO_Synonym__c":"ADHD; Attention deficit; Attention deficit disorder; Attention deficit-hyperactivity disorder; Attention deficits; Childhood attention deficit/hyperactivity disorder","HPO_Name__c":"Attention deficit hyperactivity disorder","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Atonic seizure is a type of motor seizure characterized by a sudden loss or diminution of muscle tone without apparent preceding myoclonic or tonic event lasting about 1 to 2 seconds, involving head, trunk, jaw, or limb musculature.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010819","HPO_Synonym__c":"Astatic seizure; Astatic seizures; Atonic seizures; Drop attacks; Drop seizures; Hypotonic seizure","HPO_Name__c":"Atonic seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A generalized myoclonic-atonic seizure is a type of generalized motor seizure characterized by a myoclonic jerk followed by an atonic motor component.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011170","HPO_Synonym__c":"Generalised myoclonic-atonic seizure; Myoclonic atonic seizures; Myoclonic-astatic seizure","HPO_Name__c":"Generalized myoclonic-atonic seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001252","HPO_Synonym__c":"Low muscle tone; Low or weak muscle tone; Muscle hypotonia; Muscular hypotonia","HPO_Name__c":"Hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A generalized non-motor (absence) seizure is a type of a type of dialeptic seizure that is of electrographically generalized onset. It is a generalized seizure characterized by an interruption of activities, a blank stare, and usually the person will be unresponsive when spoken to. Any ictal motor phenomena are minor in comparison to these non-motor features.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002121","HPO_Synonym__c":"Absence seizure; Absence seizures; Brief seizures with staring spells; Petit mal; Petit mal seizure; Petit mal seizures","HPO_Name__c":"Generalized non-motor (absence) seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001263","HPO_Synonym__c":"Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; GDD; Lack of psychomotor development; Motor and developmental delay; Motormental retardation; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development","HPO_Name__c":"Global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Ataxia refers to impaired coordination of voluntary muscle movement. Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001251","HPO_Synonym__c":"Cerebellar ataxia","HPO_Name__c":"Ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An unintentional, oscillating to-and-fro muscle movement about a joint axis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001337","HPO_Synonym__c":"Tremor; Tremors","HPO_Name__c":"Tremor","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"The presence of an increased degree of wrinkling (irregular folds and indentations) of the skin as compared with age-related norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100678","HPO_Synonym__c":"Premature skin wrinkling","HPO_Name__c":"Premature skin wrinkling","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Height of the vermilion of the upper lip in the midline more than 2 SD below the mean. Alternatively, an apparently reduced height of the vermilion of the upper lip in the frontal view (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000219","HPO_Synonym__c":"Decreased height of upper lip vermilion; Decreased volume of upper lip; Decreased volume of upper lip vermilion; Thin upper lip; Thin vermilion border of upper lip","HPO_Name__c":"Thin upper lip vermilion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Forward prominence of the entire forehead, due to protrusion of the frontal bone.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011220","HPO_Synonym__c":"Prominence of frontal region; Prominent forehead; Pronounced forehead; Protruding forehead","HPO_Name__c":"Prominent forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"EEG shows spikes (<80 ms) and waves, which are recorded over the entire scalp and do not have a specific frequency.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001326","HPO_Name__c":"EEG with irregular generalized spike and wave complexes","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Diffuse slowing of cerebral electrical activity recorded along the scalp by electroencephalography (EEG).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010845","HPO_Synonym__c":"EEG: generalized slow activity","HPO_Name__c":"EEG with generalized slow activity","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A degree of language development that is significantly below the norm for a child of a specified age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000750","HPO_Synonym__c":"Deficiency of speech development; Delayed language development; Delayed speech; Delayed speech acquisition; Delayed speech and language development; Delayed speech development; Impaired speech and language development; Impaired speech development; Language delay; Language delayed; Language development deficit; Late-onset speech development; Poor language development; Speech and language delay; Speech and language difficulties; Speech delay","HPO_Name__c":"Delayed speech and language development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000463","HPO_Synonym__c":"Anteverted nose; Anteverted nostrils; Nasal tip, upturned; Nostrils anteverted; Upturned nares; Upturned nasal tip; Upturned nose; Upturned nostrils","HPO_Name__c":"Anteverted nares","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Increased thickness of the lower lip, leading to a prominent appearance of the lower lip. The height of the vermilion of the lower lip in the midline is more than 2 SD above the mean. Alternatively, an apparently increased height of the vermilion of the lower lip in the frontal view (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000179","HPO_Synonym__c":"Full lower lip vermilion; Increased height of lower lip vermilion; Increased volume of lower lip; Increased volume of lower lip vermilion; Plump lower lip; Prominent lower lip; Thick vermilion border of lower lip","HPO_Name__c":"Thick lower lip vermilion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Absence of hair in the anterior midline and/or parietal areas.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002292","HPO_Synonym__c":"Frontal balding","HPO_Name__c":"Frontal balding","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A short generalized seizure, of a duration of <15 min, not recurring within 24 h, occurring during a febrile episode not caused by an acute disease of the nervous system intracranial infection or severe metabolic disturbance.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011171","HPO_Synonym__c":"Simple febrile convulsion; Simple febrile seizures; Simple fever fit","HPO_Name__c":"Simple febrile seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A bilateral tonic-clonic seizure with generalized onset is a type of bilateral tonic-clonic seizure characterized by generalized onset; these seizures rapidly engage networks in both hemispheres at the start of the seizure.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025190","HPO_Synonym__c":"Generalised tonic-clonic seizure without focal onset; Generalised tonic-clonic seizure without partial onset; Generalised tonic-clonic seizures without focal onset; Generalised-onset tonic-clonic seizure; Generalized tonic-clonic seizure without focal onset; Generalized tonic-clonic seizure without partial onset; Generalized tonic-clonic seizures without focal onset; Generalized-onset tonic-clonic seizure; Primarily generalized tonic-clonic seizures; Primary generalized tonic-clonic seizure; Primary generalized tonic-clonic seizures","HPO_Name__c":"Bilateral tonic-clonic seizure with generalized onset","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A focal-onset seizure is a type of seizure originating within networks limited to one hemisphere. They may be discretely localized or more widely distributed, and may originate in subcortical structures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007359","HPO_Synonym__c":"Focal onset seizure; Focal seizure; Focal seizures; Focal-onset seizures; Partial seizure; Partial seizures; Seizure affecting one half of brain","HPO_Name__c":"Focal-onset seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002317","HPO_Synonym__c":"Gait instability; Unsteady walk","HPO_Name__c":"Unsteady gait","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduced ability to participate in the back-and-forth flow of social interaction appropriate to culture and developmental level, which is normally characterized by an influence of the behavior of one person on the behavior of another person. This results in difficulty interacting with others through emotional, physical, or verbal communication.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012760","HPO_Synonym__c":"Impaired social interaction; Impaired social interactions; Impaired social reciprocity; Poor social interactions","HPO_Name__c":"Reduced social responsiveness","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Increased breadth of the nasal bridge (and with it, the nasal root).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000431","HPO_Synonym__c":"Broad nasal bridge; Broad nasal root; Broadened nasal bridge; Increased breadth of bridge of nose; Increased breadth of nasal bridge; Increased width of bridge of nose; Increased width of nasal bridge; Nasal bridge broad; Nasal bridge, wide; Wide bridge of nose; Wide nasal bridge; Widened nasal bridge","HPO_Name__c":"Wide nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A developmental anomaly characterized by abnormal smallness of one or both eyes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000568","HPO_Synonym__c":"Abnormally small eyeball; Abnormally small globe of eye; Microphthalmos","HPO_Name__c":"Microphthalmia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"An abnormal morphology (form) of the face or its components.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001999","HPO_Synonym__c":"Abnormal facial shape; Abnormal morphology of the face; Distinctive facies; Dysmorphic facial features; Dysmorphic facies; Facial dysmorphism; Unusual facial appearance; Unusual facies","HPO_Name__c":"Abnormal facial shape","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of complexes of repetitive spikes and waves in EEG.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002392","HPO_Synonym__c":"EEG: spike and multispike waves, 3-4 hz","HPO_Name__c":"EEG with polyspike wave complexes","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Distance between the oral commissures more than 2 SD above the mean. Alternatively, an apparently increased width of the oral aperture (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000154","HPO_Synonym__c":"Broad mouth; Large mouth; Large oral aperture; Macrostomia; Wide mouth","HPO_Name__c":"Wide mouth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Webbing or fusion of the fingers or toes, involving soft parts only or including bone structure. Bony fusions are referred to as \\\"bony\\\" syndactyly if the fusion occurs in a radio-ulnar axis. Fusions of bones of the fingers or toes in a proximo-distal axis are referred to as \\\"symphalangism\\\".","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001159","HPO_Synonym__c":"Webbed fingers or toes","HPO_Name__c":"Syndactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Increase in bulk of the ala nasi.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009928","HPO_Synonym__c":"Ala nasi, thick; Thickening of the alae nasi","HPO_Name__c":"Thick nasal alae","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"A sudden flexion, extension, or mixed extension-flexion of predominantly proximal and truncal muscles that is usually more sustained than a myoclonic movement but not as sustained as a tonic seizure. Limited forms may occur: Grimacing, head nodding, or subtle eye movements. Epileptic spasms frequently occur in clusters. Infantile spasms are the best known form, but spasms can occur at all ages","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011097","HPO_Synonym__c":"Epileptic spasms; Salaam convulsion; Salaam convulsions; Salaam seizure; Salaam seizures","HPO_Name__c":"Epileptic spasm","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Functional neurological abnormalities related to dysfunction of the pyramidal tract.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007256","HPO_Synonym__c":"Corticospinal signs; Pyramidal signs; Pyramidal tract signs","HPO_Name__c":"Abnormal pyramidal sign","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A generalized myoclonic seizure is a type of generalized motor seizure characterized by bilateral, sudden, brief (<100 ms) involuntary single or multiple contraction of muscles or muscle groups of variable topography (axial, proximal limb, distal). Myoclonus is less regularly repetitive and less sustained than is clonus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002123","HPO_Synonym__c":"Generalised epileptic myoclonus; Generalised myoclonic seizure; Generalized epileptic myoclonus; Generalized myoclonic seizures; Myoclonus seizures","HPO_Name__c":"Generalized myoclonic seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The state of not having relationships with peers outside of school or organized activity appropriate to developmental level. This may be caused by behavioral or physical barriers.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002332","HPO_Name__c":"Lack of peer relationships","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000252","HPO_Synonym__c":"Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small cranium; Small head circumference","HPO_Name__c":"Microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A disturbance in the experience or expression of emotion, characterized by alterations in valence, intensity, frequency, or duration. It may also involve emotional responses that are mismatched, exaggerated, or incongruent relative to internal expectations or external contextual stimuli, such as experiencing negative affect in response to neutral or positive events.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100851","HPO_Name__c":"Abnormal emotional state","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Epileptiform activity refers to distinctive EEG waves or complexes distinguished from background activity found in in a proportion of human subjects with epilepsy, but which can also be found in subjects without seizures. Interictal epileptiform activity refers to such activity that occurs in the absence of a clinical or subclinical seizure.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011182","HPO_Synonym__c":"Epileptiform EEG discharges","HPO_Name__c":"Interictal epileptiform activity","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Hyperactivity is a condition characterized by constant and unusually high levels of activity, even in situations where it is deemed inappropriate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000752","HPO_Synonym__c":"Hyperactive behavior; Hyperkinetic disorder; More active than typical","HPO_Name__c":"Hyperactivity","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An anomaly of metabolism or structure of the brain identified by imaging.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0410263","HPO_Synonym__c":"Abnormal brain imaging","HPO_Name__c":"Brain imaging abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Distance between the philtral ridges, measured just above the vermilion border, more than 2 standard deviations above the mean, or alternatively, an apparently increased distance between the ridges of the philtrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000289","HPO_Synonym__c":"Increased breadth of philtrum; Increased horizontal dimension of philtrum; Increased transverse dimension of philtrum; Increased width of philtrum; Wide philtrum","HPO_Name__c":"Broad philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A condition in which epileptiform abnormalities are believed to contribute to the progressive disturbance in cerebral function. Epileptic encephalaopathy is characterized by (1) electrographic EEG paroxysmal activity that is often aggressive, (2) seizures that are usually multiform and intractable, (3) cognitive, behavioral and neurological deficits that may be relentless, and (4) sometimes early death.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200134","HPO_Synonym__c":"Convulsive encephalopathy","HPO_Name__c":"Epileptic encephalopathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"EEG with focal sharp transient waves of a duration less than 80 msec followed by a slow wave.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011197","HPO_Name__c":"EEG with focal spike waves","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"ORPHA:1942","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Alternatively, an apparently increased distance between nasal base and midline upper lip vermilion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000343","HPO_Synonym__c":"Elongated philtrum; Increased height of philtrum; Increased length of philtrum; Increased vertical dimension of philtrum; Vertical hyperplasia of philtrum","HPO_Name__c":"Long philtrum","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology"],"Specialist":["Genetics","Neurology","Epilepsy","Neurodevelopmental disabilities","Pediatrics"],"Account":["Epilepsy"]},"synonyms":["doose syndrome"," emas"," emats"," emats - epilepsy with myoclonic-atonic seizures"," epilepsy with myoclonic-astatic seizures"," epilepsy with myoclonic-atonic seizures"," generalised myoclonic-atonic seizure"," generalized myoclonic-atonic seizure"," mae"," myoclonic atonic epilepsy"," myoclonic atonic seizures"," myoclonic-astatic epilepsy"," myoclonic-astatic epilepsy in early childhood"," myoclonic-astatic seizure"," myoclonic-atonic epilepsy"]}