THE ROLE OF THE RIGHT MEDIAL TEMPORAL-LOBE IN THE CONTROL OF MEMORY-GUIDED SACCADES

被引：0
|
作者：
MURI, RM [1 ]
RIVAUD, S [1 ]
TIMSIT, S [1 ]
CORNU, P [1 ]
PIERROTDESEILLIGNY, C [1 ]
机构：
[1] HOP LA PITIE SALPETRIERE,SERV NEUROL & NEUROCHIRURG,F-75651 PARIS 13,FRANCE
来源：
EXPERIMENTAL BRAIN RESEARCH | 1994年 / 101卷 / 01期
关键词：
EYE MOVEMENTS; HIPPOCAMPUS; MEMORY; TEMPORAL LOBE; HUMAN;
D O I：
暂无
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The role of the hippocampal formation in the control of memory-guided saccades is unclear. We tested two types of memory-guided saccades with short memorization delay in three patients with a lesion affecting the right medial temporal lobe and involving the hippocampal formation. In single memory-guided saccades, testing spatial working memory, the gain of the patient group did not differ from that of an age-matched control group. In contrast, in sequences of memory-guided saccades, testing chronological working memory, then was a marked and significant increase in the percentage of erroneous sequences in patients, compared to controls. These results suggest an important role of the hippocampal formation in the memorization of the chronological order of saccade sequences. In contrast. this structure does not appear to be crucial for spatial working memory, used in single memory-guided saccades.
引用
收藏
页码：165 / 168
页数：4
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