PSYC 102 Lecture Notes - Lecture 3: Midbrain, Brainstem, Afferent Nerve Fiber

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 102
• Professor: Sherri Atwood

Document Summary

Neurons: are individual cells in the nervous system that receive, intergrade and transmit information. Glial: are cells found throughout the nervous system and they provide various types of support for neurons. Produce cerebral spinal fluid that cushions or protects the brain when you hit your head. Form the blood-brain barrier, which prevents foreign behaviour (viruses/drugs) Contribute to the immune system of the brain. Keep the neuron alive by providing nutrients. Holding neurons in place and form scar tissue if the brain is injured. Role in memory, information processing - send/get chemical signals, send signals to other glial cells, amplify or turn down the volume on synaptic activity. Cerebral spinal fluid: cushions the brain during an impact. Synapse: is a junction where information is transmitted from one neuron to the next. Cell body: also called a soma, which contains the nucleus and acts like a tiny factor where proteins and neurotransmitters are manufactured.