Total 11 clinical symptoms reported for Perry syndrome 
Abnormality of extrapyramidal motor function A neurological condition related to lesions of the basal ganglia leading to typical abnormalities including akinesia (inability to initiate changes in activity and perform volitional movements rapidly and easily), muscular rigidity (continuous contraction of muscles with constant resistance to passive movement), chorea (widespread arrhythmic movements of a forcible, rapid, jerky, and restless nature), athetosis (inability to sustain the muscles of the fingers, toes, or other group of muscles in a fixed position), and akathisia (inability to remain motionless).
 
Synonyms:Extrapyramidal dysfunction; Extrapyramidal signs; Extrapyramidal symptoms; Extrapyramidal syndrome; Extrapyramidal tract signs
Very frequent
Apathy
 
Synonyms:Lack of feeling, emotion, interest
Very frequent
Central hypoventilation This information is currently in development.
 
Very frequent
Depression Frequent feelings of being down, miserable, and/or hopeless; difficulty recovering from such moods; pessimism about the future; pervasive shame; feeling of inferior self-worth; thoughts of suicide and suicidal behavior.
 
Synonyms:Depression; Depressivity
Very frequent
Parkinsonism Characteristic neurologic anomaly resulting from degeneration of dopamine-generating cells in the substantia nigra, a region of the midbrain, characterized clinically by shaking, rigidity, slowness of movement and difficulty with walking and gait.
 
Very frequent
Sleep disturbance An abnormality of sleep including such phenomena as 1) insomnia/hypersomnia, 2) non-restorative sleep, 3) sleep schedule disorder, 4) excessive daytime somnolence, 5) sleep apnea, and 6) restlessness.
 
Synonyms:Difficulty sleeping; Sleep disturbances; Sleep dysfunction; Trouble sleeping
Very frequent
Tremor An unintentional, oscillating to-and-fro muscle movement about a joint axis.
 
Synonyms:Tremor; Tremors
Very frequent
Weight loss Reduction of total body weight.
 
Synonyms:Loss of weight
Very frequent