Psych 310 17 Oct - Psych 310 17 Oct 2006 Predispositions in...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Psych 310 17 Oct. 2006 Predispositions in behavior Chance Ch. 12 Evolutionary influences Morgan pgs. 317-325 1. BEYOND BEHAVIORISM People with phobias to animals typically have fears of snakes, spiders Even people who live in cities and may never have experienced either Why? Range of stimuli expected to provoke a fear response Thought to be limited to those stimuli in the ENVIRONMENT OF EVOLUTIONARY ADAPTEDNESS Basics of conditioning: Need a number of trials for successful conditioning Closer in time the CS paired to US-UR, stronger the conditioning (seconds) As long as CS is fairly novel and intense, it should be a good CS Individual eats food with novel taste; individual becomes sick hour’s later individual develops aversion for that taste What’s going on? Learning in a single trial CS paired with US, but both distantly linked to UR (hours) Aversion to taste, not to light or sound stimuli also experienced
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Psych 310 17 Oct - Psych 310 17 Oct 2006 Predispositions in...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online