Related Experiment Video
Updated: Jul 13, 2026
09:52
How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners
Published on: May 31, 2018
Modulation of early ERP components with peripheral precues: a trend analysis
R H van der Lubbe1, J C Woestenburg
1Free University, Amsterdam, The Netherlands. robvdl@psy.vu.nl
Biological Psychology
|March 21, 1997
Summary
Involuntary attention shifts, triggered by peripheral cues at short intervals, activate similar brain responses as voluntary attention. This suggests early attentional resource allocation in visual processing.
Area of Science:
- Cognitive Neuroscience
- Visual Attention Research
Background:
- Peripheral cues can involuntarily direct attentional resources in visual processing.
- Previous research linked P1 ERP component enlargement to voluntary attention, but not involuntary attention with short cue-target intervals.
Purpose of the Study:
- To investigate if involuntary attention allocation with short stimulus onset asynchronies (SOAs) elicits similar electrophysiological responses as voluntary attention.
- To examine event-related potentials (ERPs) associated with involuntary attention at SOAs of 100-300 ms.
Main Methods:
- An experiment using 100% valid peripheral cues followed by bilateral multi-item arrays.
- Trend analysis of ERPs to isolate cue-elicited activity, correcting for cue contributions.
- Analysis focused on posterior P150 and N230 components at short SOAs.
Main Results:
- Contralateral enhancement was observed for both the posterior P150 and N230 ERP components.
- These findings occurred specifically with short SOAs (100-300 ms).
Conclusions:
- Involuntary attention allocation, even at short SOAs, may engage neural mechanisms similar to voluntary attention.
- P150 enhancement likely reflects resource allocation to a specific location.
- N230 enhancement may indicate more detailed processing in the contralateral hemisphere.
