New insights into how the brain separates perception from memory NatureComms
c). Participants alternated between study and test blocks, completing a minimum of four blocks of each type. Participants were required to reach at least 95% accuracy, and performed additional rounds of study-test if they did not reach this threshold after four test blocks. The training task was implemented in PsychoPy v1.85.6During study blocks, participants were presented with the associations.
During test blocks, participants were presented with the colored fixation dot cues and tested on their memory for the associated stimulus pattern and spatial location. Participants were instructed to maintain central fixation and to try to covertly recall each stimulus when cued, and then to respond to the test probe when prompted. At the start of each test trial , the central white fixation dot switched to one of the four cue colors. This cue remained on the screen for 2.
During memory runs, participants viewed the colored fixation dot cues and recalled the associated patterns in their learned spatial locations. Participants were instructed to maintain central fixation, to use the cues to initiate recollection, and to make a subjective judgment about the vividness of their memory on each trial. The purpose of the vividness task was to enforce attention to the remembered stimulus on each trial.
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