PSY 1101 Lecture Notes - Curare, Acetylcholine, Reuptake

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

Document Summary

Axon: grey & white matter (length of axon, terminal ending (bouton endings): Synapse/synaptic gap: pre- & post synaptic. Transmitter substance (neurotransmitter): excitation or inhibition. The nobel prize 1906: golgi & s. ramon y cajal. Sensory neurons: transmit impulses received by sensory receptors to central nervous system (cns). Motor neurons: carry outgoing signals from cns to muscle & glands. All neurons are axonated; sensory and motor neurons are typically covered by myelin sheath. Nerve is a bundle (some cases 100"s of thoudsands) of neurons serving the same role. Often, far removed from either sensory or motor neurons. All cells carry an electrical charge (potential) The charge of the neuron can change. This allows one neuron to communicate with another neuron. An inactive neuron contains an excess of negatively charged ions inside the cell membrane. The charge inside the human neuron is about -70 mvolt (mv). Inside, a surplus of negatively charged molecules ( ions . )