Inappropriate laughter

Symptom Information:

Symptom ID: HPO:0000748
Synonyms:
Inappropriate laughter [OMIM:Inappropriate laughter]
Inappropriate laughter (reported in 1 family) [OMIM:Inappropriate laughter (reported in 1 family)]
Quality:
Cross references:
OMIM: "Inappropriate laughter" [OMIM:Inappropriate laughter]
OMIM: "Inappropriate laughter (reported in 1 family)" [OMIM:Inappropriate laughter (reported in 1 family)]
Is a (Direct Parents):
HPO         Inappropriate behavior
Is a (Whole tree): HPO:
All(HPO:0000001)
    Phenotypic abnormality(HPO:0000118)
       Abnormality of the nervous system(HPO:0000707)
          Abnormality of nervous system physiology(HPO:0012638)
             Abnormality of higher mental function(HPO:0011446)
                Behavioral abnormality(HPO:0000708)
                   Abnormal emotion/affect behavior(HPO:0100851)
                      Inappropriate behavior(HPO:0000719)
                         Inappropriate laughter(HPO:0000748)
MedDRA:
Database Frequency: 5 / 7739
Resource:

All diseases associated with this symptom:

Adenylosuccinate lyase deficiency (Orphanet:46)
FRONTOTEMPORAL DEMENTIA (OMIM:600274)
Frontotemporal dementia (Orphanet:282)
MENTAL RETARDATION, AUTOSOMAL DOMINANT 18 (OMIM:615074)
PICK DISEASE OF BRAIN (OMIM:172700)