Reduced corpus-callosum volume in posttraumatic stress disorder highlights the importance of interhemispheric connectivity for associative memory.
Reduced corpus-callosum volume in posttraumatic stress disorder highlights the importance of interhemispheric connectivity for associative memory.
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创伤后应激障碍中胼胝体体积的减少凸显了半球间连接对联想记忆的重要性
DOI:
10.1002/jts.21887
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发表时间:
2014
影响因子:
3.3
通讯作者:
Shalev
中科院分区:
文献类型:
--
作者:
Saar-Ashkenazy;Shelef;Friedman;Shalev
Memory deficits are a common complaint of patients with posttraumatic stress disorder (PTSD). Despite vivid trauma‐related memory, previous studies report memory impairment for nontrauma‐related stimuli when compared to controls, specifically in associative memory (Guez et al., 2011). Healthy individuals show hemispheric memory asymmetry with left‐prefrontal lateralization of encoding and right‐prefrontal lateralization of episodic retrieval, suggesting a role for interhemispheric communication in memory‐related tasks (Gazzaniga, ; Ringo, Doty, Demeter, & Simard, ). Because brain magnetic resonance imaging (bMRI) studies in PTSD patients report volume changes in various regions, including white matter and corpus callosum (CC), we aimed to test the relationship between memory deficits and CC volume in PTSD patients. We probed for specific alterations in associative memory in PTSD and measured the volume of subportions within the CC employing bMRI. Our main finding was a reduction in CC white‐matter volume in PTSD patients, as compared to controls,t(35) = −2.7,p= .010, that was correlated with lower associative performance (r= .76,p= .003). We propose that CC volume reduction is a substrate for the associative memory deficits found in PTSD.
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DOI:
10.1176/jnp.5.2.183
发表时间:
1993
期刊:
The Journal of Neuropsychiatry and Clinical Neurosciences
影响因子:
--
作者:
T. V. Gurvits;N. Lasko;S. Schachter;A. Kuhne;S. Orr;R. Pitman
通讯作者:
R. Pitman
DOI:
10.1176/ajp.155.2.278
发表时间:
1998
期刊:
The American journal of psychiatry
影响因子:
--
作者:
M. Jenkins;P. Langlais;D. Delis;Ronald A. Cohen
通讯作者:
Ronald A. Cohen
影响因子:
10.6
作者:
Bremner, JD;Staib, LH;Charney, DS
通讯作者:
Charney, DS
影响因子:
17.7
作者:
Golier, JA;Yehuda, R;Elkin, A
通讯作者:
Elkin, A
影响因子:
17.7
作者:
Bonne, O;Brandes, D;Shalev, AY
通讯作者:
Shalev, AY