Abstract:
:The present study isolated and compared ERP components associated with flexible behavior in two action-control tasks. The 'withhold' groups had to withhold all responses when a signal appeared. The 'change' groups had to replace a prepotent go response with a different response on signal trials. We proposed that the same chain of processes determined the effectiveness of action control in both tasks. Consistent with this idea, lateral (Experiment 1) and central (Experiment 2) signal presentation elicited the same perceptual and response-related components in both tasks with similar latencies. Thus, completely withholding a response and replacing a response required a similar chain of processes. Furthermore, latency analyses revealed intra-individual differences: When the signal occurred in the periphery, differences between fast and slow change trials arose at early perceptual stages; by contrast, differences arose at later processing stages when signal detection was easy but stimulus discrimination and response selection were harder.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Elchlepp H,Verbruggen Fdoi
10.1016/j.biopsycho.2016.10.005subject
Has Abstractpub_date
2017-02-01 00:00:00pages
250-268eissn
0301-0511issn
1873-6246pii
S0301-0511(16)30296-4journal_volume
123pub_type
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