Psyc 110 Notes 10-18-2011

Psyc 110 Notes 10-18-2011 - Conclusions Three important...

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

View Full Document Right Arrow Icon
Conclusions Three important types of communication in the body are neuronal, neurohormonal and hormonal. Drugs can be agonists or antagonists Agonists – enhance typical effect of a neurotransmitter Antagonists – impose action of neurotransmitter of system. Psychoactive drugs affect chemical transmission in various ways. Occupying receptor and blocking actual transmitter Opponent processes act to maintain homeostasis and may underlie normal affective dynamics as well as tolerance and withdrawal in addiction. Motivation Why is the rat pressing the lever and eating food pellets? To survive and reproduce rats need to get energy from food. Because it’s evolutionary history requires that it has mechanisms that facilitate doing that. It has been reinforced for doing so in the past. It has not eaten for 24 hours. Food is very attractive. A neural circuit that controls feeding behavior is active. According to the reading, regulatory drives are those that Maintain homeostatis. Motivation and incentives Motivation: all the factors that promote certain behaviors at a certain time. Motivational states or drives: internal states with physiological basis (hunger, thirst, lust) Incentives are external goals or reinforcers in the environment (food, water, sex partner) Drives and incentives interact to control the expression of behavior. Coolidge effect
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.

This note was uploaded on 04/04/2012 for the course PSYC 110 taught by Professor Roberthampton during the Fall '11 term at Emory.

Page1 / 3

Psyc 110 Notes 10-18-2011 - Conclusions Three important...

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