Lecture 5 - B All or none law C speed • Diameter& myelin o Synaptic(between neurons – Chemical Synapse Neurotransmitters Excitatory vs

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

View Full Document Right Arrow Icon
Lecture 5 Biological Basis for behavior Neuron brain behavior The neuron (nerve cell) Three types of neurons: o Sensory: relay info from sense organs to brain o Motor: relay info from brain to muscles Structure of the neuron o Cell body (a.k.a. soma) – powerhouse o Dendrites- receptor, receives messages o Axon- delivers messages Function of neuron – Transmit info via electrochemical energy o Axonal (within neuron) – Electric o Polarized Semi-permeable membrane o Resting potential o Action potential A) firing threshold
Background image of page 1

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

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

Unformatted text preview: B) All or none law C) speed • Diameter & myelin o Synaptic (between neurons) – Chemical Synapse Neurotransmitters Excitatory vs. Inhibitory Effects Neurotransmitters • Acetylcholine (ACh) • Norepinepherine (NE) • Dopamine • Serotonin • Endorphins Agonistic vs. Antagonistic effects Studying our brain • Once upon a time: Phrenology • Today o Damage studies/lesioning o Electrical stimulation (ESB) o Brain imaging CT, PET, MRI, fMRI...
View Full Document

This note was uploaded on 02/09/2012 for the course ECON 101 taught by Professor Gottlieb during the Spring '08 term at Rutgers.

Page1 / 2

Lecture 5 - B All or none law C speed • Diameter& myelin o Synaptic(between neurons – Chemical Synapse Neurotransmitters Excitatory vs

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