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28th International Congress of Psychology August 8 ... - U-netSURF

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examine the relationship between neuropsychological performances and subjective complaints <strong>of</strong><br />

postconcussion symptoms. These reviewed findings provide empirical guidelines for clinicians to<br />

judge whether the postconcussion symptoms complaits made by the clinical groups are causally<br />

related to the neuropsychological deficits observed.<br />

2028.142 Present condition and progress <strong>of</strong> research on brain plasticity, Yapeng Wang, Qi Dong,<br />

BeiJing Normal University, China<br />

Plasticity is one <strong>of</strong> main natures <strong>of</strong> brain. Central nervous systems own potentials <strong>of</strong> plasticity<br />

during life-span courses <strong>of</strong> animal and human development. This paper briefly sums up exhibition<br />

forms <strong>of</strong> brain plasticity, reviews present condition and progress <strong>of</strong> brain plasticity <strong>of</strong> animal and<br />

human, and briefly introduces mechanisms and influenced factors <strong>of</strong> brain plasticity, finally the<br />

paper points out current faced issues and future trends <strong>of</strong> research on brain plasticity. This paper<br />

argues that, only experts <strong>of</strong> different fields unite to tackle key problems, can we really open out<br />

the mechanisms and influenced factors <strong>of</strong> brain plasticity.<br />

2028.143 Decreased thalamic D2 dopamine receptor binding in drug-naive patients with<br />

schizophrenia, Mirjam Talvik, Anna-Lena Nordstrom, Lars Farde, Karolinska Institute and<br />

Hospital, Sweden<br />

The thalamus is a neuroanatomic structure that has reciprocal connections with several brain<br />

regions suggested to be involved in the pathophysiology <strong>of</strong> schizophrenia. Recent studies have<br />

reported structural as well as functional abnormalities <strong>of</strong> the thalamus in schizophrenia. We<br />

examined the thalamic D2 receptors in nine drug-naive patients with schizophrenia and eight<br />

controls using the radioligand [11C]FLB 457 and positron emission tomography. The D2 receptor<br />

binding was significantly lower in the right medial thalamus in the schizophrenic patients<br />

compared to control subjects, supporting the hypothesis that the thalamus is a key region in the<br />

pathophysiology in schizophrenia.<br />

2028.144 The serotonin system and spiritual experiences, Jacqueline Borg 1 , Bengt Andrée 1 ,<br />

Henrik Soderstrom 2 , Lars Farde 1 , 1 Section <strong>of</strong> Psychiatry, Karolinska Institute, Sweden,<br />

2<br />

Gothenburg University, Sweden<br />

The serotonin system has long been <strong>of</strong> interest in biological models <strong>of</strong> human personality. In a<br />

positron emission tomography study <strong>of</strong> 15 human volunteers, we examined the serotonin 5-HT1A<br />

receptor, a marker for the serotonin system, and assessed personality with the Temperament and<br />

Character Inventory. We found that 5-HT1A receptor density in brain correlated strongly with<br />

scores for Self-Transcendence, a personality trait including religious behaviour and attitudes.<br />

Our findings indicate that the serotonin system may serve as a biological basis for spiritual<br />

experiences and that variability in 5-HT1A receptor density may explain why people vary greatly<br />

in spiritual zeal.<br />

2028.145An fMRI study <strong>of</strong> the temporal and linguistic factors in prosodic processing, Yue Wang 1 ,<br />

Gui Xue 2 , Jin Hao 3 , Kuncheng Li 3 , Qi Dong 3 , 1 Simon Fraser University, Canada; 2 Beijing<br />

Normal University, China; 3 Beijing Xuanwu Hospital, China<br />

Research has shown different hemispheric processing patterns for linguistic tone and intonation.<br />

This difference may be due to either temporal frame length or linguistic function, with intonation<br />

344

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