Theory of mind impairment related to C9orf72 repeat expansion in amyotrophic lateral sclerosis: a case-control study.
Objective: To investigate cognitive and affective theory of mind (ToM) in amyotrophic lateral sclerosis (ALS) patients carrying the C9orf72 repeat expansion (C9orf72+), compared with matched non-mutated (C9orf72-) ALS patients and healthy controls (HCs). Methods: We assessed 34 C9orf72+ ALS patients, 34 C9orf72- ALS pa...