The relation between visuospatial attention and conscious visual perception examined by using lateralized power spectra.

Besten, M.E. (2016) The relation between visuospatial attention and conscious visual perception examined by using lateralized power spectra.

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Abstract:The aim of the present study was to examine the relation between attention and conscious perception. We investigated whether individual differences in conscious perception can be predicted on the basis of ipsi-contralateral differences in the alpha bands. A visuospatial attention task in combination with backward masking was performed by participants while their EEG was measured. A special method of analysis, lateralized power spectra (LPS), was applied to the raw EEG of participants to examine individual differences in the allocation of attention. Results showed that there were individual differences in conscious perception. Besides, we found evidence that other factors than attention also influenced the performance index of the visuospatial attention task, which suggests that individual differences in conscious perception were also caused by other factors than attention. Furthermore, there was no convincing evidence that individual differences in conscious perception can be predicted on the basis of ipsi-contralateral differences in the alpha bands.
Item Type:Essay (Bachelor)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology BSc (56604)
Link to this item:http://purl.utwente.nl/essays/70094
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