PSY 1101 Lecture Notes - Lecture 1: Reuptake, Santiago Ramón Y Cajal, Golgi'S Method

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Kenneth Campbell

Document Summary

Lecture 6: neuronal & synaptic transmission (sep. 29 2015) Types of neurons- cerebellum; visual cortex; auditory cortex; primary motor cortex; dentate. The nobel prize 1906: golgi and s. ramon y cajal (bitter enemies) Golgi developed dye that could stain certain nerve cells (known as golgi staining method) Golgi claimed two neurons came into physical contact with continuous current. Ramon claimed there was a gap (he was correct) Sensory neurons: transmit impulses received by sensory receptors to the cns (afferent neurons) Motor neurons: carry outgoing signals from the cns to muscles and glans (efferent neurons) Often, far removed from either sensory or motor neurons. Action potentials recorded from inside a nerve fiber. The normal charge of a neuron if inactivated. This allows one neuron to communicate to another (or to perhaps a muscle) Excess of negatively charged ions inside the nerve cell. Charge is about -70 mv for humans (resting potential) Inside, a surplus of negatively charged molecules ( ions )