Local and global visual processing and eating disorder traits: An event-related potential study

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Moynihan, Jennifer; Rose, Mark; Van Velzen, Jose L. and De Fockert, J. W.. 2016. Local and global visual processing and eating disorder traits: An event-related potential study. Biological Psychology, 115, pp. 27-34. ISSN 0301-0511 [Article]

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Official URL: https://doi.org/10.1016/j.biopsycho.2016.01.002

Abstract or Description

Recent studies have suggested that individuals with eating disorders show a stronger local processing biasand/or a weaker global bias in visual processing than typical individuals. In this study, healthy participantswith varying scores on the Eating Disorder Examination Questionnaire (EDE-Q) performed the Navon task,a standard task of local and global visual processing, whilst electrophysiological measures were recorded.Global stimuli were presented that were made up of many local parts, and the information between levelswas either compatible or incompatible. Participants were instructed to report the identity of either aglobal or a local target shape, while ignoring the other level. Higher EDE-Q scores were associated withenhanced amplitude of the P3 component during local visual processing, as well as greater P1 amplitudeduring local incompatible trials. These findings support the claim that eating disorders are associatedwith differences in local and global visual processing.

Item Type:

Article

Identification Number (DOI):

https://doi.org/10.1016/j.biopsycho.2016.01.002

Additional Information:

Eating disorders; Global processing; Local processing; Central coherence; Electroencephalography