Tracking the Mind's Image in the Brain I

Formisano, Elia, Linden, David Edmund Johannes ORCID: https://orcid.org/0000-0002-5638-9292, Di Salle, Francesco, Trojano, Luigi, Esposito, Fabrizio, Sack, Alexander T., Grossi, Dario, Zanella, Friedhelm E. and Goebel, Rainer 2002. Tracking the Mind's Image in the Brain I. Neuron 35 (1) , pp. 185-194. 10.1016/S0896-6273(02)00747-X

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Abstract

Mental imagery, the generation and manipulation of mental representations in the absence of sensory stimulation, is a core element of numerous cognitive processes. We investigate the cortical mechanisms underlying imagery and spatial analysis in the visual domain using event-related functional magnetic resonance imaging during the mental clock task. The time-resolved analysis of cortical activation from auditory perception to motor response reveals a sequential activation of the left and right posterior parietal cortex, suggesting that these regions perform distinct functions in this imagery task. This is confirmed by a trial-by-trial analysis of correlations between reaction time and onset, width, and amplitude of the hemodynamic response. These findings pose neurophysiological constraints on cognitive models of mental imagery.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine Psychology MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG) Neuroscience and Mental Health Research Institute (NMHRI)
Subjects:	B Philosophy. Psychology. Religion > BF Psychology R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Publisher:	Elsevier
ISSN:	0896-6273
Last Modified:	21 Oct 2022 08:55
URI:	https://orca.cardiff.ac.uk/id/eprint/34794

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