Losing the boundary: cognition biases action well after action selection. Calderon, CB, Verguts, T., & Gevers, W JOURNAL OF EXPERIMENTAL PSYCHOLOGY-GENERAL, 144(4):737–743, AMER PSYCHOLOGICAL ASSOC, 2015. ![Losing the boundary: cognition biases action well after action selection [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex For selecting an action, traditional theories suggest a cognitive architecture made of serial processing units. Others suggested that action selection emerges from the parallel implementation of and competition between multiple action plans. To disentangle these 2 hypotheses, we created a reaching task assessing the temporal dynamics of action selection. Crucially, our design did not force action selection processes to operate in parallel, allowing an informative comparison between the hypotheses. We manipulated the probability of congruence between a cue and a delayed reach target to investigate, in an unbiased way, whether congruence probability interacts with reach trajectory. Our results show that reach trajectories are modulated by the probability of congruence. Hence, action selection is temporally spread, continues after movement onset, and emerges from a competition between multiple afforded action plans, in parallel biased by relevant task factors (e.g., probability of reach).
@article{6907785,
abstract = {{For selecting an action, traditional theories suggest a cognitive architecture made of serial processing units. Others suggested that action selection emerges from the parallel implementation of and competition between multiple action plans. To disentangle these 2 hypotheses, we created a reaching task assessing the temporal dynamics of action selection. Crucially, our design did not force action selection processes to operate in parallel, allowing an informative comparison between the hypotheses. We manipulated the probability of congruence between a cue and a delayed reach target to investigate, in an unbiased way, whether congruence probability interacts with reach trajectory. Our results show that reach trajectories are modulated by the probability of congruence. Hence, action selection is temporally spread, continues after movement onset, and emerges from a competition between multiple afforded action plans, in parallel biased by relevant task factors (e.g., probability of reach).}},
author = {{Calderon, CB and Verguts, Tom and Gevers, W}},
issn = {{0096-3445}},
journal = {{JOURNAL OF EXPERIMENTAL PSYCHOLOGY-GENERAL}},
keywords = {{MOVEMENT PREPARATION,DYNAMIC FIELD-THEORY,DECISION-MAKING,CORTICOSPINAL EXCITABILITY,NEURAL MECHANISMS,PREMOTOR CORTEX,PARIETAL CORTEX,VISUAL-SEARCH,MOTOR SYSTEM,TRAJECTORIES,decision making,action selection,movement planning,parallel processing,reaching}},
language = {{eng}},
number = {{4}},
pages = {{737--743}},
publisher = {{AMER PSYCHOLOGICAL ASSOC}},
title = {{Losing the boundary: cognition biases action well after action selection}},
url = {{http://doi.org/10.1037/xge0000087}},
volume = {{144}},
year = {{2015}},
}
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