Understanding Psychology (10th Ed)

inhibited ejaculation

 
A male’s inability to 
ejaculate when he wants to, if at all (Module 34).

inhibited sexual desire

 
A sexual dysfunction 
in which the motivation for sexual activity is 
restrained or lacking entirely (Module 34).

inhibitory message

 
A chemical message that 
prevents or decreases the likelihood that a 
receiving neuron will fi re (Module 7).

initiative-versus-guilt stage

 
According to 
Erikson, the period during which children ages 
3 to 6 years experience confl ict between inde-
pendence of action and the sometimes negative 
results of that action (Module 37).

insight

 
A sudden awareness of the relation-
ships among various elements that had previ-
ously appeared to be independent of one 
another (Module 24).

instincts

 
Inborn patterns of behavior that are 
biologically determined rather than learned 
(Module 29).

intellectually gifted

 
The 2%–4% of the popula-
tion who have IQ scores greater than 130 
(Module 27).

intelligence

 
The capacity to understand the 
world, think rationally, and use resources 
effectively when faced with challenges 
(Module 26).

intelligence quotient (IQ)

 
A score that takes 
into account an individual’s mental and chron-
ological ages (Module 26).

intelligence tests

 
Tests devised to quantify a 
person’s level of intelligence (Module 26).

interactionist approach (to language develop-