Electrophysiological indices of target and distractor processing in visual search
Journal of Cognitive Neuroscience
The timing of neural activity during shifts of spatial attention
Journal of Cognitive Neuroscience
Spatiotemporal analysis of multichannel EEG: CARTOOL
Computational Intelligence and Neuroscience - Special issue on academic software applications for electromagnetic brain mapping using MEG and EEG
Reward reduces conflict by enhancing attentional control and biasing visual cortical processing
Journal of Cognitive Neuroscience
Long-term memories bias sensitivity and target selection in complex scenes
Journal of Cognitive Neuroscience
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Long-term spatial contextual memories are a rich source of predictions about the likely locations of relevant objects in the environment and should enable tuning of neural processing of unfolding events to optimize perception and action. Of particular importance is whether and how the reward outcome of past events can impact perception. We combined behavioral measures with recordings of brain activity with high temporal resolution to test whether the previous reward outcome associated with a memory could modulate the impact of memory-based biases on perception, and if so, the levels at which visual neural processing is biased by reward-associated memory-guided attention. Data showed that past rewards potentiate the effects of spatial memories upon the discrimination of target objects embedded within complex scenes starting from early perceptual stages. We show that a single reward outcome of learning impacts on how we perceive events in our complex environments.