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Author = Lai, Robert;
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Behavioural and electrophysiological eVects of visual paired associate context manipulations during encoding and recognition in younger adults, older adults and older cognitively declined adults
(2012)
Hogan, Michael; Kenney, Joanne P.M.; Roche, Richard; Keane, Michael A.; Moore, Jennifer...
Behavioural and electrophysiological eVects of visual paired associate context manipulations during encoding and recognition in younger adults, older adults and older cognitively declined adults
(2012)
Hogan, Michael; Kenney, Joanne P.M.; Roche, Richard; Keane, Michael A.; Moore, Jennifer L.; Kaiser, Jochen; Lai, Robert; Upton, Neil
Abstract:
The current study examined the EEG of young, old and old declined adults performing a visual paired associate task. In order to examine the eVects of encoding context and stimulus repetition, target pairs were presented on either detailed or white backgrounds and were repeatedly presented during both early and late phases of encoding. Results indicated an increase in P300 amplitude in the right parietal cortex from early to late stages of encoding in older declined adults, whereas both younger adults and older controls showed a reduction in P300 amplitude in this same area from early to late phase encoding. In the right hemisphere, stimuli encoded with a white background had larger P300 amplitudes than stimuli presented with a detailed background; however, in the left hemisphere, in the later stages of encoding, stimuli presented with a detailed background had larger amplitudes than stimuli presented with a white background. Behaviourally, there was better memory for congruent stimu...
http://mural.maynoothuniversity.ie/6795/
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