1992
DOI: 10.1016/0167-8760(92)90018-7
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Effect of task decision on P300

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Cited by 12 publications
(4 citation statements)
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“…& Allen, 2008). Acosta and Nasman (1992) also found that the P3 amplitude was modulated by within-experiment repetition of words in discrimination tasks, but not in detection tasks. These results suggest that the P3 indexes stimulus categorization, a later process of object recognition that leads to decision making.…”
Section: An Electrophysiological Measure Of Word Processingmentioning
confidence: 99%
“…& Allen, 2008). Acosta and Nasman (1992) also found that the P3 amplitude was modulated by within-experiment repetition of words in discrimination tasks, but not in detection tasks. These results suggest that the P3 indexes stimulus categorization, a later process of object recognition that leads to decision making.…”
Section: An Electrophysiological Measure Of Word Processingmentioning
confidence: 99%
“…When we use the decisions themselves as a factor in the analyses, we can see different stages of the decision-making process in different components ( Fig 10 ): P300, the early stage, when the decision is processed [ 56 58 ], after which processing is mostly influenced by the decision itself, which can be seen in analyses of N450 and LPC components. The results in the P300 and N450 components confirm the findings from the initial analyses regarding subjective significance, indicating its’ influence on both decision making and word processing (to which is the N450 component related; [ 48 , 59 ]).…”
Section: Resultsmentioning
confidence: 99%
“…The effects of subjective significance and origin observed in the main analyses turned out to be insignificant when the decisions were included as a factor. This inequality in observed effects underlines the difference between the role of early and late components in the decision-making process [ 56 58 , 60 ].…”
Section: Discussionmentioning
confidence: 99%
“…Top-down attention is also crucial. P300-based BCI studies have explored designs for top-down attention with physical responses (e.g., button pressing) or mental tasks (e.g., counting) [32] or by considering a relationship between task difficulty and P300 amplitude [4, 22, 33]. In particular, mental tasks are more viable in practical BCI use as they entail active engagement, reportedly producing larger ERP responses than merely paying attention to stimuli [28, 34, 35].…”
Section: Introductionmentioning
confidence: 99%