Lecture4Neurons

Lecture4Neurons - Biological Bases of Behavior General...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Biological Bases of Behavior General Psychology January 14, 2009 Outline s Neurons b What are they? b What do they do? b How do they do that? s Communication within neurons b Action Potentials s Communication between neurons b Neurotransmitters Social Cellular Physiological Mental Behavioral Molecular How does the nervous system work? s b Building blocks of the nervous system b Specialized for communication s b Support neuron functioning b 90% of nervous system by number
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 Specialized Functions of Neurons s Receive information from neighboring neurons (or sensory receptors) s Integrate (process) this incoming information s Transmit signals to other neurons (or muscles) Types of Neurons s Sensory neurons s Motor neurons s Interneurons b Everything else b Most neurons in the central nervous system Neuron Types and Parts Neuron Types and Parts Sensory neuron Motor neuron Interneuron
Background image of page 2
3 How do neurons send signals? s Electrical impulses: b ________ a single neuron b Action potentials (neuronal firing) s Chemicals: b __________ separate neurons b Neurotransmitters Basic Structure of a Neuron Incoming Signals s Chemical signal received by dendrites s b Increase likelihood of action potential s b Decrease likelihood of action potential s All incoming signals are added together
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/13/2010 for the course PSY PSY 001 taught by Professor Unknown during the Spring '10 term at UC Davis.

Page1 / 12

Lecture4Neurons - Biological Bases of Behavior General...

This preview shows document pages 1 - 4. Sign up to view the full document.

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