KNES 370 Lecture Notes - Lecture 12: Central Pattern Generator, Palmar Grasp Reflex, Cognitive Development

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The rate limiter to walking whereby the limb joints move with separate actions but are (cid:272)oordi(cid:374)ated together to a(cid:272)hie(cid:448)e a goal is (cid:272)alled (cid:894)e(cid:454) the hop flexes while the knees extend) Flexor tone- muscle activity when not using the muscle. Central pattern generator- neural network responsible for movements in the spinal cord. Articular differentiation- ability to control limbs separately. 2 weeks to 1 yr characteristic of movements during preadapted period: predisposition for certain motor behaviors, species-typical behaviors (phylogenetic, require little specific environmental support, biological constraints play a very important role. Motor milestones involves arms and feet and contact with external objects. How to interact with environmental (perception and action: reach- how to move arms toward object. Intercept- how you contact object: grasp- how you manipulate object. Hand eye coordination: ability to precisely move the hand based on visual information, visuo-motor mapping how to translate visuals into movement, need experience, otherwise cannot build connection between world and movement.

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