Theta Wave Definition
noun
Any of the electrical brain waves having a frequency between four and eight hertz and associated with a drowsy, semiconscious state of mind.
Webster's New World
An electrical oscillation occurring in the human brain at a frequency of about 4 to 8 hertz or less as recorded on an electroencephalogram, possibly associated with memory and navigation.
American Heritage Medicine
Synonyms:
Other Word Forms of Theta Wave
Noun
Singular:
theta wave
Plural:
theta waves
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