TY - GEN AU - Lederhendler,I I AU - Alkon,D L TI - Associatively reduced withdrawal from shadows in Hermissenda: a direct behavioral analog of photoreceptor responses to brief light steps SN - 0163-1047 PY - 1987///0724 KW - Animals KW - Association Learning KW - physiology KW - Avoidance Learning KW - Learning KW - Photic Stimulation KW - Photoreceptor Cells KW - Retention, Psychology KW - Snails KW - Visual Perception N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0163-1047(87)90370-0 ER -