Abstract：
:We examined whether lateral visual field stimulation (LSTM) could activate contralateral extrastriate cortical areas as predicted by a large experimental literature. We asked seven unscreened, control subjects to wear glasses designed to allow vision out of either the left (LVF) or right lateral visual field (RVF) depending upon which side the subject looked toward. Each subject participated in a block design functional magnetic resonance imaging (fMRI) study with alternating 30-s epochs in which he was asked to look to one side and then the other for a total of five epochs. On each side of the bore of the scanner, we taped a photograph for the subject to view in the LVF and RVF. The data were analyzed with SPM99 using a fixed effect, box-car design with contrasts for the LVF and the RVF conditions. Both LVF and RVF conditions produced the strongest fMRI activation in the contralateral occipitotemporal and posterior parietal areas as well as the contralateral dorsolateral prefrontal cortex. LSTM appears to increase contralateral fMRI activation in striate and extrastriate cortical areas as predicted by earlier studies reporting differential cognitive and/or emotional effects from unilateral sensory or motor stimulation.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Schiffer F,Mottaghy FM,Pandey Vimal RL,Renshaw PF,Cowan R,Pascual-Leone A,Teicher M,Valente E,Rohan Mdoi
10.1016/j.pscychresns.2004.01.002subject
Has Abstractpub_date
2004-05-30 00:00:00pages
1-9issue
1eissn
0165-1781issn
1872-7123pii
S0925492704000198journal_volume
131pub_type
杂志文章abstract：:Only few studies addressing the biological background of adjustment disorder (AD) exist. We examined the psychophysiological correlates indicative of autonomic regulation in AD. Heart rate variability (HRV), skin conductance, skin temperature, electromyography, and respiration were measured during serial stress tasks ...
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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journal_title：Psychiatry research
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abstract：:Tobacco smoking is highly prevalent in patients with schizophrenia and alcohol dependence. The underlying neurobiology of nicotine addiction is complex. Rewarding effects of nicotine from cigarettes are associated, among others, with mu-opioid receptors encoded by the OPRM1 gene. The aim of the study was to evaluate t...
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journal_title：Psychiatry research
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pub_type： 杂志文章
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journal_title：Psychiatry research
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