theta rhythm
noun Physiology.
a pattern of brain waves having a regular frequency of 4 to 7 cycles per second as recorded by an electroencephalograph, observed during various states of light sleep or arousal.
Origin of theta rhythm
First recorded in 1945–50
Words nearby theta rhythm
thessalonians,
thessalonike,
thessaloníki,
thessaly,
theta,
theta rhythm,
theta wave,
thetford mines,
thetic,
thetis,
theurgy