Stimulus contrast and visual cortical lesions.
Intact animals can make fine orientation discriminations over a wide range of contrasts. After ablation of area 17 deficits in orientation discrimination are observed only at low contrast. The relevance of this finding for the design of sensitive ablation experiments is discussed.
Orban
G A
GA
Laboratorium voor Neuro- en Psychofysiologie, K.U. Leuven, Campus Gasthuisberg, Belgium.
Vandenbussche
E
E
Sprague
J M
JM
De Weerd
P
P
D000818:Animals; D002415:Cats; D005556:Form Perception / Q000502:physiology*; D010364:Pattern Recognition, Visual / Q000502:physiology*; D014793:Visual Cortex / Q000502:physiology*