Campolattaro Matthew M, Freeman John H
Department of Psychology, University of Iowa, Iowa City, IA 52242, USA.
Behav Neurosci. 2006 Aug;120(4):970-5. doi: 10.1037/0735-7044.120.4.970.
The role of the perirhinal cortex in discriminative eyeblink conditioning was examined by means of feature-positive discrimination procedures with simultaneous (A-/XA+) and serial (A-/X-->A+) stimulus compounds. Lesions of the perirhinal cortex severely impaired acquisition of simultaneous feature-positive discrimination but produced no impairment in serial feature-positive discrimination. The results suggest that the perirhinal cortex plays a role in discriminative eyeblink conditioning by resolving ambiguity in discriminations with overlapping stimulus elements.
通过同时呈现(A-/XA+)和序列呈现(A-/X-->A+)刺激复合物的特征阳性辨别程序,研究了嗅周皮质在辨别性眨眼条件反射中的作用。嗅周皮质损伤严重损害了同时性特征阳性辨别的习得,但对序列性特征阳性辨别没有损害。结果表明,嗅周皮质通过解决具有重叠刺激元素的辨别中的模糊性,在辨别性眨眼条件反射中发挥作用。