Psychology Dictionary
  • Psychology Resources
  1. Home
  2. trigger zone

trigger zone

trigger zone

a low-threshold region for eliciting a response. In a neuron, the trigger zone for evoking an action potential is the axon hillock, where postsynaptic potentials summate. In the brain, stimulation of the chemoreceptor trigger zone in the medulla oblongata provokes vomiting.

Related Terms

scoliosis

scoliosis n. a lateral (sideways) curvature of the spine. S...

survey

survey 1. n. a study in which a group of partic...

cue-overload principle

cue-overload principle the principle that a retrieval cue s...

LGBTQ

LGBTQ abbreviation for lesbian, gay, bisexual, transgender,...

haptic map

haptic map a tactile map that can be felt by people with vi...

maze

maze n. a system of intersecting paths and blind alleys tha...

Quick Info

Category Psychology Term
Definitions 1
First Letter T

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