Psychology Dictionary
  • Psychology Resources
  1. Home
  2. Stage 1 sleep

Stage 1 sleep

Stage 1 sleep

the initial stage of NREM sleep, which is characterized by low-amplitude brain waves (4–6 Hz) of irregular frequency, a slow heart rate, and reduced muscle tension. See sleep stages.

Related Terms

pseudoscience

pseudoscience n. a system of theories and methods that has...

thoracic

thoracic adj. pertaining to the thorax—the portion of the m...

false dementia

false dementia a condition that mimics the symptoms of deme...

Myers–Briggs Type Indicator (MBTI)

Sorry, "myers-briggs-type-indicator-mbti" is not in the Dictionary of Psychology...

multifunctional antidepressant

multifunctional antidepressant an antidepressant that acts...

postconcussion syndrome

postconcussion syndrome persistent and pervasive changes in...

Quick Info

Category Psychology Term
Definitions 1
First Letter S

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

© 2025 PsychologyDB.com All rights reserved.

Terms Sitemap Contact