TY - RPRT TI - Changes in motor response with increase and decrease in task difficulty in normal industrial and psychiatric patient subjects. AU - P H VENABLES PY - 1955 DO - 10.1111/j.2044-8295.1955.tb00528.x UR - https://pubmed.ncbi.nlm.nih.gov/14378535/ ID - 14378535 ER -