Slides in this set
The biological approach is sometimes known as
Bio-psychology is interested in biological
characteristics that affect human behaviour.
Psychologists who work in this sector
concentrate on internal factors when trying to
understand human behaviour and mental
They look at...
Genotype: which refers to genetic make-up of
our bodies-inherited characteristics and
Phenotype: which refers to all observable
characteristics that result form interaction of an
individuals genotype with the environment.…read more
Involve comparing a trait of adopted children with biological
parents and adoptive parents.
Here, biological parents pass on genes and adoptive
parents provide environment.
If trait is genetic, biological kids show similarity for
characteristics wit biological parents.
Clinger (1987) suggests that children of alcoholic biological
parents are more likely to become alcoholic than those who
had adoptive alcoholic parents.
These studies provide support for heritability of
similarity in Disadvantage
intelligence between of environmental influences
adopted and biological PLomen 1988
Central nervous Peripheral Nervous
system (CNS) system (PNS)
Brain system (SNS) Autonomic nervous
Spinal Cord Nerve fibres-info
lower brain and
Info from organs.
upper spinal cord to
sensory organs Nerve fibres carry internal organs and
impulses from brain to glands.
Output: muscles controlled
or glands Involved in emotion
Brain co-ordinates system (SNS) Parasympathetic
and functions nervous system (PNS)
body. Increases body
Releases Restores body level
(endocrine Fight/flight response.
system) when we
Limitations of the biological approach: Advantages:
· provides understanding of
· reductionism- attempts to reduce psychological processes occur in
human and animal psychological the brain- use of drugs to treat
processes to physical processes schizophrenia, depression and
which are reduced to smaller anxiety
·Nature v Nurture debate: importance
of environmental factors getting
·Mind-body debate: how physical and
mental interact and come together in
one person.…read more