Ch9_Reflexes_Spr_2008

Ch9_Reflexes_Spr_2008 - Ch. 9: Reflexes Definition: What...

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Ch. 9: Reflexes Definition:  What makes a reflex a reflex? What makes a reflex a reflex? Types of Reflexes for Diagnoses Purpose Stereotypies:  – Not Reflexes but essential early behaviors
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Developmental and Lifespan Process … A “mountain” of experience Reflexive ( B-2wk ) Preadapted ( 2wk-1yr ) PERIODS Fundamental Patterns ( 1-7 yr) Context-Specific ( 7-11 ) Skillful ( 11 +. .. ) Compensation Regression ( 65 + )
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3 Elements  3 Elements  of REFLEXES What is a reflex? 1. involuntary behavior:   (non-cortical; no mediation by higher brain  centers) 1. triggered by a stereotypic stimulus   1. resulting in a stereotypic response 
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TYPES OF REFLEXES PRIMITIVE REFLEXES POSTURAL REFLEXES
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PRIMITIVE REFLEXES Rooting Sucking Palmar Grasp Plantar Grasp Withdrawal STNR ATNR
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Postural Reflexes Stepping Reflex Swimming/ Landau Labyrinthine Neck-Righting Pull-up Parachuting 
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Reflexes as Diagnostic Tools  Deviations from normal time frame – Reflexes not observed – Or persist past normal offset (reflexes disappear  after a certain time) Reflexes that are lacking, weak, or  asymmetrical
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Why study reflexes?   …. Legit Purposes: 1. Critical for human survival = nourishment and protection
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This note was uploaded on 04/07/2008 for the course ESS 3314 taught by Professor Roncesvalles during the Spring '08 term at Texas Tech.

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Ch9_Reflexes_Spr_2008 - Ch. 9: Reflexes Definition: What...

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