期刊
QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY
卷 61, 期 10, 页码 1441-1471出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/17470210802215335
关键词
Temporal lobe; Fornix; Memory; Subiculum; Entorhinal cortex; Hippocampus; Hypothalamus
资金
- Medical Research Council (MRC)
- Wellcome Trust
- Medical Research Council [G9713086] Funding Source: researchfish
- MRC [G9713086] Funding Source: UKRI
Three emerging strands of evidence are helping to resolve the causes of the anterograde amnesia associated with damage to the diencephalon. First, new anatomical studies have refined our understanding of the links between diencephalic and temporal brain regions associated with amnesia. These studies direct attention to the limited numbers of routes linking the two regions. Second, neuropsychological studies of patients with colloid cysts confirm the importance of at least one of these routes, the fornix, for episodic memory. By combining these anatomical and neuropsychological data strong evidence emerges for the view that damage to hippocampal-mammillary body anterior thalamic interactions is sufficient to induce amnesia. A third development is the possibility that the retro-splenial cortex provides an integrating link in this functional system. Furthermore, recent evidence indicates that the retrosplenial cortex may suffer covert pathology (i.e., it is functionally lesioned) following damage to the anterior thalamic nuclei or hippocampus. This shared indirect lesion effect on the retrosplenial cortex not only broadens our concept of the neural basis of amnesia but may also help to explain the many similarities between temporal lobe and diencephalic amnesia.
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