The authors predict that in a few years, many areas of psychology will be a
wash in specific genes responsible for the widespread influence of genetics
on behavior. As the focus shifts from finding genes (genomics) to understa
nding how genes affect behavior (behavioral genomics), it is important for
the future of psychology as a science that pathways between genes and behav
ior be examined not only at the molecular biological level of cells or the
neuroscience level of the brain but also at the psychological level of anal
ysis. After a brief overview of quantitative genetic research, the authors
describe how genes that influence complex traits like behavioral dimensions
and disorders in human and nonhuman animals are being found. Finally, the
authors discuss behavioral genomics and predict that DNA will revolutionize
psychological research and treatment early in the 21st century.