TY - RPRT TI - Task-specific perceptual learning on speed and direction discrimination. AU - Tiffany Saffell AU - Nestor Matthews PY - 2003 DO - 10.1016/s0042-6989(03)00137-8 UR - https://pubmed.ncbi.nlm.nih.gov/12742106/ ID - 12742106 ER -