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Ocular exposure to blue-enriched light has an asymmetric influence on neural activity and spatial attention

Newman, D.P., Lockley, S.W., Loughnane, G.M., Martins, A.C.P., Abe, R., Zoratti, M.T.R., Kelly, S.P., O'Neill, M.H., Rajaratnam, S.M.W., O'Connell, R.G. and Bellgrove, M.A. (2016) Ocular exposure to blue-enriched light has an asymmetric influence on neural activity and spatial attention Scientific Reports, 6.

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Abstract

Brain networks subserving alertness in humans interact with those for spatial attention orienting. We employed blue-enriched light to directly manipulate alertness in healthy volunteers. We show for the first time that prior exposure to higher, relative to lower, intensities of blue-enriched light speeds response times to left, but not right, hemifield visual stimuli, via an asymmetric effect on right-hemisphere parieto-occipital α-power. Our data give rise to the tantalising possibility of light-based interventions for right hemisphere disorders of spatial attention.

Item Type: Article
Authors :
NameEmailORCID
Newman, D.P.
Lockley, S.W.s.lockley@surrey.ac.uk
Loughnane, G.M.
Martins, A.C.P.
Abe, R.
Zoratti, M.T.R.
Kelly, S.P.
O'Neill, M.H.
Rajaratnam, S.M.W.
O'Connell, R.G.
Bellgrove, M.A.
Date : 2016
DOI : 10.1038/srep27754
Uncontrolled Keywords : attention, exposure, human, response time, right hemisphere, stimulus, velocity, adult, attention, depth perception, female, fluorescence, hemispheric dominance, male, nerve cell, photostimulation, physiology, procedures, reaction time, young adult, Adult, Attention, Female, Fluorescence, Functional Laterality, Humans, Male, Neurons, Photic Stimulation, Reaction Time, Space Perception, Young Adult
Depositing User : Clive Harris
Date Deposited : 17 Jun 2020 01:09
Last Modified : 17 Jun 2020 01:09
URI: http://epubs.surrey.ac.uk/id/eprint/857856

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