NDLI: Neural Strategies for Selective Attention Distinguish Fast-Action Video Game Players

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Neural Strategies for Selective Attention Distinguish Fast-Action Video Game Players

Content Provider	PubMed Central
Author	Krishnan, Lavanya Kang, Albert Sperling, George Srinivasan, Ramesh
Abstract	We investigated the psychophysical and neurophysiological differences between fast-action video game players (specifically first person shooter players, FPS) and non-action players (role-playing game players, RPG) in a visual search task. We measured both successful detections (hit rates) and steady-state visually evoked EEG potentials (SSVEPs). Search difficulty was varied along two dimensions: number of adjacent attended and ignored regions (1, 2 and 4), and presentation rate of novel search arrays (3, 8.6 and 20 Hz). Hit rates decreased with increasing presentation rates and number of regions, with the FPS players performing on average better than the RPG players. The largest differences in hit rate, between groups, occurred when four regions were simultaneously attended. We computed signal-to-noise ratio (SNR) of SSVEPs and used partial least squares regression to model hit rates, SNRs and their relationship at 3 Hz and 8.6 Hz. The following are the most significant results: RPG players’ parietal responses to the attended 8.6 Hz flicker were predictive of hit rate and were positively correlated with it, indicating attentional signal enhancement. FPS players’ parietal responses to the ignored 3 Hz flicker were predictive of hit rate and were positively correlated with it, indicating distractor suppression. Consistent with these parietal responses, RPG players’ frontal responses to the attended 8.6 Hz flicker, increased as task difficulty increased with number of regions; FPS players’ frontal responses to the ignored 3 Hz flicker increased with number of regions. Thus the FPS players appear to employ an active suppression mechanism to deploy selective attention simultaneously to multiple interleaved regions, while RPG primarily use signal enhancement. These results suggest that fast-action gaming can affect neural strategies and the corresponding networks underlying attention, presumably by training mechanisms of distractor suppression.
Related Links	http://dx.doi.org/10.1007/s10548-012-0232-3
Ending Page	97
Page Count	15
Starting Page	83
File Format	PDF
ISSN	15736792
e-ISSN	15736792
Journal	Brain Topography
Issue Number	1
Volume Number	26
Language	English
Publisher	Springer US
Publisher Date	2013-01-01
Access Restriction	Open
Rights Holder	Springer US
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Neurology Anatomy Radiology, Nuclear Medicine and Imaging Neurology (clinical) Radiological and Ultrasound Technology

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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