Hemispheric Asymmetries for Temporal Resolution: A Signal Detection Analysis of Threshold and Bias

Michael E.R. Nicholls

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

Divided visual field techniques were used to investigate hemispheric asymmetries for (a) the threshold of fusion of two flashes of light and (b) the detection of simultaneous versus successive events for a group of normal, right-handed adults. A signal detection analysis revealed a higher level of accuracy for the right visual field-left hemisphere (RVF–LH) relative to the left visual field-right hemisphere (LVF–RH) for both tasks. These results were interpreted in terms of a general left-hemisphere advantage for the discrimination of fine temporal events. The implications of these results for models of temporary asymmetry that describe the left hemisphere's advantage in terms of an exclusive specialization or relative superiority are then discussed.

Original languageEnglish
Pages (from-to)291-310
Number of pages20
JournalThe Quarterly Journal of Experimental Psychology Section A
Volume47
Issue number2
DOIs
Publication statusPublished - 1 May 1994
Externally publishedYes

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