PSY-P 101 Lecture 16: P101 Lecture 16 Notes (Mar. 7)

2 Pages

Psychological & Brain Sciences
Course Code
PSY-P 101
Motz Benjamin

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P101 Lecture 16 Notes- Learning from Experience 3-7-17  Learning- change in behavior (knowledge) resulting from experience o Does not have to be good thing in terms of adaptation or societal norms  Maturation- many changes in behavior occur as result of age, time, or growth (not experience) o Ex. Losing hearing in old age and not responding to people who talk to you  Kinds of Learning o Noticing and Ignoring  Has to do with attention; learning when to notice (pay attention), when to ignore (choose not to pay attention)  Review of reflexes (“the noticing part”):  Does not involve cortex; sometimes mid/hindbrain, spinal cord  Ex. Palmer Grasp Reflex, knee-jerk reflex, foot-scraping reflex, touching hot things  Startle response- collection of reflexes occurring in response to sudden (potentially dangerous) event/stimulus  Triggers fight-or-flight response  Orienting response- innate tendency to notice and response to novel, surprising, or potentially important events  Draws attention, but not enough to trigger fight-or-flight response  After repeated exposure to same event:  Sensitization- increased responding to event o Ex. Laughing before being tickled  Habituation- reduced responding to event o Ex. Gradually not noticing your own perfume or car scent pack  Together, these allow us to use limited resources of attention efficiently; things like startle response use a lot of physical and mental energy o Associative Learning  Making an association with one event that predicts another  Ex. What do these things have in common?  Shown list of vegetables  Every time cucumber shown, baby scream played with slight delay (startle response first time) o Loud noise led to involuntary response  Learn cucumber = scream  When cucumber shown again, no scream (most people laughed quietly, expecting scream)  Classical conditioning- learning what events signal; behavior is som
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