Deictic codes for the embodiment of cognition

Behavioral and Brain Sciences 20 (4):723-742 (1997)
Abstract
To describe phenomena that occur at different time scales, computational models of the brain must incorporate different levels of abstraction. At time scales of approximately 1/3 of a second, orienting movements of the body play a crucial role in cognition and form a useful computational level embodiment level,” the constraints of the physical system determine the nature of cognitive operations. The key synergy is that at time scales of about 1/3 of a second, the natural sequentiality of body movements can be matched to the natural computational economies of sequential decision systems through a system of implicit reference called deictic in which pointing movements are used to bind objects in the world to cognitive programs. This target article focuses on how deictic bindings make it possible to perform natural tasks. Deictic computation provides a mechanism for representing the essential features that link external sensory data with internal cognitive programs and motor actions. One of the central features of cognition, working memory, can be related to moment-by-moment dispositions of body features such as eye movements and hand movements
Keywords binding   brain computation   deictic computations   embodiment   eye movements   natural tasks   pointers   sensory-motor tasks   working memory
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Robert Briscoe (2009). Egocentric Spatial Representation in Action and Perception. Philosophy and Phenomenological Research 79 (2):423 - 460.
Andy Clark (2011). Finding the Mind. [REVIEW] Philosophical Studies 152 (3):447 - 461.

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