Figure 1
Impulsive and compulsive behaviors of cerebellar ataxia. a: hoarding for hobbyism-punding. b: excessive exercise. c: compulsive game playing.
Table 1
Demographics, ataxia and impulsive compulsive symptom onset.
| Case | Age | Gender | Diagnosis | Ataxia onset age | SARA | QUIP-RS score | Specific domain* | Duration of ataxia symptoms | Duration of impulsive and compulsive symptoms |
|---|---|---|---|---|---|---|---|---|---|
| Case 1 | 49 | W | SCA 2 | 27 | 16 | 8 | hobbyism/punding (hoarding/prepping) | 22 years | 9 years |
| Case 2 | 33 | W | SCA 3 | 27 | 3 | 17 | hobbyism/punding (exercise) | 6 years | 3 years |
| Case 3 | 38 | W | SCA 1 | 27 | 15.5 | 45 | hobbyism/punding (video games) | 11 years | 2 years |
| Case 4 | 53 | M | SCA 2 | 49 | 14 | 8 | gambling | 4 years | 3 years |
| Case 5 | 56 | M | MSA-C | 54 | 12 | 8 | compulsive medication use | 2 years | 2 years |
[i] M = man; MSA-C = Multiple System Atrophy – Cerebellar type; QUIP-RS Score = Questionnaire for Impulsive-Compulsive Disorders in Parkinson’s Disease-Rating Scale; SARA = Scale for the Assessment and Rating of Ataxia; Specific domain* = Specific domain for impulsivity and compulsivity; SCA = Spinocerebellar Ataxia (genetically confirmed autosomal dominant ataxias); W = woman.