ultradian rhythm

ultradian rhythm

any periodic variation in physiological or psychological function (see biological rhythm) recurring in a cycle of more than 24 hours, such as the human menstrual cycle. Compare circadian rhythm; infradian rhythm.

Related Terms

acromegaly

acromegaly n. an abnormal enlargement of the bones in the h...

object of instinct

object of instinct in classical psychoanalytic theory, that...

fast muscle fiber

fast muscle fiber a type of muscle fiber found in skeletal...

two-tailed hypothesis

two-tailed hypothesis see nondirectional hypothesis.

pseudoangina

pseudoangina n. 1. chest pain that resembles th...

CPT

CPT 1. abbreviation for cognitive processing therapy. 2. ab...

Quick Info

Category Psychology Term
Definitions 1
First Letter U

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