Understanding Psychology (10th Ed)

 
The scientifi c study of behavior 
and mental processes (Module 1).

psychoneuroimmunology (PNI)

 
The study of 
the relationship among psychological factors, 
the immune system, and the brain (Module 43).

psychophysics

 
The study of the relationship 
between the physical aspects of stimuli and our 
psychological experience of them (Module 10).

psychophysiological disorders

 
Medical prob-
lems infl uenced by an interaction of psycho-
logical, emotional, and physical diffi culties 
(Module 43).

psychosexual stages

 
Developmental periods 
that children pass through during which 
they encounter confl icts between the demands 
of society and their own sexual urges 
(Module 40).

psychosocial development

 
Development of 
individuals’ interactions and understanding of 
each other and of their knowledge and under-
standing of themselves as members of society 
(Module 37).

psychosurgery

 
Brain surgery once used to 
reduce the symptoms of mental disorder but 
rarely used today (Module 51).

psychotherapy

 
Treatment in which a trained 
professional—a therapist—uses psychological 
techniques to help a person overcome psycho-
logical diffi culties and disorders, resolve prob-
lems in living, or bring about personal growth 
(Module 49).

puberty

 
The period at which maturation of the 
sexual organs occurs, beginning at about age 11 
or 12 for girls and 13 or 14 for boys (Module 38).
and other parts of the endocrine system 
(Module 8).