?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Orienting+of+attention+in+left+unilateral+neglect&rft.creator=Bartolomeo%2C+P.&rft.creator=Chokron%2C+S.&rft.subject=Neuropsychology&rft.subject=Behavioral+Neuroscience&rft.description=After+right+posterior+brain+damage%2C+patients+may+ignore+events+occurring+on+their+left%2C+a+condition+known+as+unilateral+neglect.+Although+deficits+at+different+levels+of+impairment+may+be+at+work+in+different+patients%2C+the+frequency+and+severity+of+attentional+problems+in+neglect+patients+have+been+repeatedly+underlined.+Recent+advances+in+the+knowledge+of+the+mechanisms+of+spatial+attention+in+normals+may+help+characterizing+these+deficits.+The+present+review+focuses+on+studies+exploring+several+aspect+of+attentional+processing+in+unilateral+neglect%2C+with+particular+reference+to+the+dichotomy+between+'exogenous'%2C+or+stimulus-related%2C+and+'endogenous'%2C+or+strategy-driven%2C+orienting+of+attention.+A+large+amount+of+neuropsychological+evidence+suggests+that+a+basic+mechanism+leading+to+left+neglect+behavior+is+an+impaired+exogenous+orienting+toward+left-sided+targets.+In+contrast%2C+endogenous+processes+seem+to+be+relatively+preserved%2C+if+slowed%2C+in+left+unilateral+neglect.+Other+component+deficits%2C+such+as+a+general+slowing+of+the+operations+of+spatial+attention%2C+might+contribute+to+neglect+behavior.+These+results+are+presented+and+discussed%2C+and+their+implications+for+hemispheric+specialization+in+attentional+orienting+and+for+the+mechanisms+of+visual+consciousness+are+explored.&rft.date=2002&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F3400%2F1%2F2002_NBR.pdf&rft.identifier=++Bartolomeo%2C+P.+and+Chokron%2C+S.++(2002)+Orienting+of+attention+in+left+unilateral+neglect.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F3400%2F