TY - RPRT TI - Multiple late positive potentials in two visual discrimination tasks. AU - D Friedman AU - H G Vaughan AU - L Erlenmeyer-Kimling PY - 1981 DO - 10.1111/j.1469-8986.1981.tb01838.x UR - https://pubmed.ncbi.nlm.nih.gov/7313023/ ID - 7313023 ER -