circadian rhythm

circadian rhythm

any periodic variation in physiological or behavioral activity that repeats at approximately 24-hour intervals, such as the sleep–wake cycle. Also called diurnal rhythm. Compare infradian rhythm; ultradian rhythm. See also biological rhythm.

Related Terms

communication engineering

communication engineering the application of scientific pri...

theory of reasoned action

theory of reasoned action the theory that attitudes toward...

negative recency

negative recency in recalling a list of items, the tendency...

chance variation

chance variation 1. any change in hereditary traits due to...

anorthoscope

anorthoscope n. a device consisting of two disks, one in fr...

paleocerebellum

paleocerebellum n. a phylogenetically old part of the cereb...

Quick Info

Category Psychology Term
Definitions 1
First Letter C

Browse by Letter

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z