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The effects of anteromedial cortex lesions on pattern discrimination learning in rat.

Christie, D; Russell, IS; (1989) The effects of anteromedial cortex lesions on pattern discrimination learning in rat. Behav Brain Res , 35 (2) pp. 135-146.

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Abstract

The visual angular difference threshold of rats with unilateral anteromedial cortex lesions was measured. The stereotyped running pattern and preoperatively preferred side of approach in a two-choice visual discrimination apparatus was recorded for each animal. Lesions in the hemisphere ipsilateral to the preferred approach side did not affect either the running pattern or the angular difference threshold. However, there was a general reduction in the detection of the positive stimulus throughout the scale. Lesions in the contralateral hemisphere produced a transient reversal of the side preference with an overall loss of S + detection in the field contralateral to the side approached.

Type: Article
Title: The effects of anteromedial cortex lesions on pattern discrimination learning in rat.
Location: Netherlands
Keywords: Animals, Attention, Brain Mapping, Discrimination Learning, Dominance, Cerebral, Form Perception, Frontal Lobe, Male, Memory, Mental Recall, Motor Activity, Orientation, Pattern Recognition, Visual, Rats, Reversal Learning, Sensory Thresholds, Visual Pathways
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > Institute of Epidemiology and Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > Institute of Epidemiology and Health > Epidemiology and Public Health
URI: http://discovery.ucl.ac.uk/id/eprint/87734
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