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Cognitive Functions and Neuronal Mechanisms of Tactile Working Memory

Cognitive Functions and Neuronal Mechanisms of Tactile Working Memory
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Author(s): Yinghua Yu (Okayama University, Japan), Jiajia Yang (Okayama University, Japan)and Jinglong Wu (Okayama University, Japan)
Copyright: 2013
Pages: 10
Source title: Biomedical Engineering and Cognitive Neuroscience for Healthcare: Interdisciplinary Applications
Source Author(s)/Editor(s): Jinglong Wu (Okayama University, Japan)
DOI: 10.4018/978-1-4666-2113-8.ch010

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Abstract

The concept of tactile working memory indicated that the system can actively maintain (maintenance) and flexibly manipulate (manipulation) tactile information received from the body surface. The cognitive processes consisted of providing for the interim integration, processing, disposal, and retrieval of information. In this review, we combined psychophysical and neurophysiological experiments to highlight some of the most important characteristics and the neural substrates of tactile working memory. In particular, these studies have addressed how neural codes are related to perception and working memory in tactile modality. Tactile information is stored by segregated neural networks that include not only the prefrontal and parietal cortex, but also the somatosensory areas where relatively early stages of perceptual processing are carried out and past and current sensory information are combined to drive higher cortical areas.

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