Understanding Psychology (10th Ed)

 
Feelings that generally have both 
physiological and cognitive elements and that 
infl uence behavior (Module 31).

endocrine system

 
A chemical communication 
network that sends messages throughout the 
body via the bloodstream (Module 8).

episodic memory

 
Memory for events that 
occur in a particular time, place, or context 
(Module 20).

erectile dysfunction

 
A male’s inability to 
achieve or maintain an erection (Module 34).

erogenous zones

 
Areas of the body that are 
particularly sensitive because of the presence of 
an unusually rich array of nerve receptors 
(Module 33).

estrogens

 
Class of female sex hormones 
(Module 33).

evolutionary psychology

 
The branch of psy-
chology that seeks to identify behavior patterns 
that are a result of our genetic inheritance from 
our ancestors (Module 8).

excitatory message

 
A chemical message that 
makes it more likely that a receiving neuron 
will fi re and an action potential will travel 
down its axon (Module 7).

excitement phase

 
The period in which an 
arousing stimulus begins a sequence that 
prepares the genitals for sexual intercourse 
(Module 33).

experiment

 
The investigation of the relationship 
between two (or more) variables by deliberately 
producing a change in one variable in a situation 
and observing the effects of that change on other 
aspects of the situation (Module 5).

experimental bias