Age between 20-65 years old

Diagnosis with schizophrenia or schizoaffective disorder by psychiatrists according to DSM5.

Remaining the same antipsychotics and the symptom was stable for at least one month before the study.

Be able to follow comments and have sufficient cognitive ability assessed by Mini-Mental State Examination score \>24

Exploring Hand Function in People With Schizophrenia Based on Perspective of Sensorimotor Control