Topic: target perception

It is well known that humans and other animals can exploit the probabilities of events occurring at different spatial locations to covertly guide attention. However, attentional shifts observed before saccadic eye movements seem to rely on different mechanisms than those observed during covert spatial attention. In this study, we investigated if presaccadic attentional shifts are modulated by the probability of spatial cues. Nineteen participants performed a visual orientation discrimination task in which a central cue indicated the location of a target stimulus with four different probabiliti