PSYC 1 Lecture Notes - Lecture 4: Peripheral Nervous System, Autonomic Nervous System, Squid
15 Sep 2020
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Document Summary
The brain is divided into two hemispheres: the left and right. Each makes different but complementary contributions to our mental and emotional life. Research has shown that each hemisphere is specialized, to some extent, which is known as laterialization. Despite this specialization, both hemispheres work together as functions are not exclusively controlled by a single hemisphere. The brain still has many mysteries left to uncover. Scientists use a variety of devices and methods in order to solve the mysteries of the brain. Many of these methods measure brainwaves, which scientists are then able to study. Eeg = electroencephalogram and is a record of brainwave activity. Amplifies a million times the electrical activity occurring in brain. Measures 4 types of waves: beta, alpha, theta, delta. Microelectrode = tiny wire, can be inserted into a single neuron. Produces computerized cross-sectional images of brain structure. The nervous system is divided into two parts: the central nervous system and the peripheral nervous system.
