Evidence for arousal-biased competition in perceptual learning
| dc.contributor.author | Lee, Tae-Ho | en |
| dc.contributor.author | Itti, Lauren | en |
| dc.contributor.author | Mather, Mara | en |
| dc.contributor.department | Psychology | en |
| dc.date.accessioned | 2018-11-19T18:32:05Z | en |
| dc.date.available | 2018-11-19T18:32:05Z | en |
| dc.date.issued | 2012-07-19 | en |
| dc.description.abstract | Arousal-biased competition theory predicts that arousal biases competition in favor of perceptually salient stimuli and against non-salient stimuli (Mather and Sutherland, 2011). The current study tested this hypothesis by having observers complete many trials in a visual search task in which the target either always was salient (a 55° tilted line among 80° distractors) or non-salient (a 55° tilted line among 50° distractors). Each participant completed one session in an emotional condition, in which visual search trials were preceded by negative arousing images, and one session in a non-emotional condition, in which the arousing images were replaced with neutral images (with session order counterbalanced). Test trials in which the target line had to be selected from among a set of lines with different tilts revealed that the emotional condition enhanced identification of the salient target line tilt but impaired identification of the non-salient target line tilt.Thus, arousal enhanced perceptual learning of salient stimuli but impaired perceptual learning of non-salient stimuli. | en |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.doi | https://doi.org/10.3389/fpsyg.2012.00241 | en |
| dc.identifier.uri | http://hdl.handle.net/10919/85888 | en |
| dc.identifier.volume | 3 | en |
| dc.language.iso | en | en |
| dc.publisher | Frontiers | en |
| dc.rights | Creative Commons Attribution 4.0 International | en |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | en |
| dc.subject | bottom-up salience | en |
| dc.subject | emotional arousal | en |
| dc.subject | optimal gain bias | en |
| dc.subject | pop-out search | en |
| dc.subject | threat | en |
| dc.subject | visual search | en |
| dc.title | Evidence for arousal-biased competition in perceptual learning | en |
| dc.title.serial | Frontiers in Psychology | en |
| dc.type | Article - Refereed | en |
| dc.type.dcmitype | Text | en |
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