Abstract:
:We investigated whether the temporal dynamics of attention could be used to reconcile exploitative and explorative attentional learning theories. Participants trained on a categorisation task where some stimuli were predictive (P) of the correct response while others were non-predictive (NP). These stimuli were then used in a dot probe task in which we varied the stimulus onset asynchrony (SOA) between the cues and the target. Participants responded faster to the target when it appeared over a P cue at each SOA. The reaction time advantage towards the P cues increased proportionally with SOA, suggesting that participants were strategically processing the cues. Target-elicited N2pc amplitudes at short SOAs suggested that P cues were preferentially processed, consistent with exploitation. However, the amplitudes at a longer SOA suggested that after the P cues were processed, they were inhibited. This inhibition could bias attention towards other currently ambiguous stimuli, consistent with exploration.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Russo S,Burns N,Baetu Idoi
10.1016/j.biopsycho.2019.107731subject
Has Abstractpub_date
2019-09-01 00:00:00pages
107731eissn
0301-0511issn
1873-6246pii
S0301-0511(18)30701-4journal_volume
146pub_type
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