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100 _a Howard, Christina J.
_950791
245 _aLow-Frequency Repetitive Transcranial Magnetic Stimulation to Right Parietal Cortex Disrupts Perception of Briefly Presented Stimuli
260 _bsage
_c2019
300 _aVol 48, Issue 4, 2019 : (346-355p.).
520 _aRight parietal cortex has recently been linked to the temporal resolution of attention. We therefore sought to investigate whether disruption to right parietal cortex would affect attention to visual stimuli presented for brief durations. Participants performed a visual discrimination task before and after 10 minutes repetitive transcranial magnetic stimulation (1 Hz) to right or central parietal cortex as well as 20 minutes after the second block of trials. Participants reported the spatial frequency of a masked Gabor patch presented for a brief duration of 60, 120, or 240 ms. We calculated error magnitudes by comparing accuracy to a guessing model. We then compared error magnitudes to blocks with no stimulation, producing a measure of baselined performance. Baselined performance was poorer at longer stimulus durations after right parietal than central parietal stimulation, suggesting that right parietal cortex is involved in attention to briefly presented stimuli, particularly in situations where rapid accumulation of visual evidence is needed.
650 _aattention to features/objects,
_950792
650 _acapacity/resolution,
_950793
650 _aneural mechanisms,
_950794
650 _atemporal selection/modulation,
_950795
650 _atranscranial magnetic stimulation
_950796
700 _aBoulton, Hayley
_950797
700 _aBedwell, Stacey A.
_950798
773 0 _012374
_916462
_dSage,
_tPerception
_x1468-4233
856 _uhttps://doi.org/10.1177/0301006619834251
942 _2ddc
_cART
999 _c12683
_d12683