PSY333H5 Lecture Notes - Lecture 7: Posterior Grey Column, Dorsal Root Ganglion, Spinothalamic Tract
Document Summary
Pain pain= syptom of chief concern to paitents. Pain is secondary for the physician they want to nd out what the underlying causes for the symptom are. Patients fear pain in illness and treatment most. Fearing that they can"t relieve suffering --> inc anxiety. Most common reason for euthanasia (youth in asia) 4 billion dollars spent annually in canada on over the counter pain meds. Tells us to avoid behaviours that may hurt us. Forces us to rest and recover after an injury can be re exive and unconschious. Positive = add, negative = take away. Reinforcement: consequence increases likelihood of behaviour in future reinforcement increasest behaviur. Positive reinforcement- application of a desirable stimulus (reward; candy) Negative reinforcement - removal of a negative stimulus ( don"t have to do chore if good) punishment: consequence decrease likelihood of behaviour in future punishment decreases behaviour. Positive punsihment- application of aversive stimulus (spanking) Negative punishment - take away something good (t. v time)
