TY - RPRT TI - Instrumental heart rate responses and visual perception: a preliminary study. AU - T R McCanne AU - C A Sandman PY - 1974 DO - 10.1111/j.1469-8986.1974.tb00545.x UR - https://pubmed.ncbi.nlm.nih.gov/4424062/ ID - 4424062 ER -