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Lesson objective & outcomes
· Lesson objective
· To understand the biological explanation of
abnormality
· Lesson outcomes
· Identify the differences between infections, genetics,
biochemistry & neuroanatomy
· Describe the role of genetics & biochemistry in causing
abnormal behaviour…read more

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Activity 1: Can you spot the
fake? 2(5 minutes)
· In pairs you will be Biochemistry refers to
·B
given 8iochemistr
statements
e
any chemical messages
in your body- they are
describing the
y
physical (biological)
T r u Infections
also knownrefers
as a to any
reasons for mental
A l l organisms
hormones (germs) in
the environment that
·I
abnormality (illness)
nfection
· However which
produce disease
Neurology means the
brain and spinal chord.
statements do you Genetics refers to
·N
think are true and
eurology
which are fake?
any characteristic
you have inherited
from your parents
·Genetics…read more

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Activity 2: Resorting the cards
BIOCHEMISTRY INFECTION INFECTION
NEUROLOGY NEUROLOGY GENETICS
GENETICS
BIOCHEMISTRY
BIOCHEMISTRY INFECTION
BIOCHEMISTRY NEUROLOGY
INFECTION
GENETICS NEUROLOGY GENETICS
Thebetween
There is a correlation children of mothers who had flu
In
Anfamilies of persons
underactive with bipolar
thyroid gland can disorder,
during pregnancy
psychosis and high levels of are more likely to
first-degree relatives
cause depressive (parents, children, siblings)
symptoms
dopamine be diagnosed with schizophrenia
are more likely to have a mood disorder than
the relatives of those who do not have bipolar
Hypoglycemia (low A blood
child sugar
born to a mother
disorder
Brain whocan
tumors hascause symptoms
Rubella
levels due to excessive hasbeing
insulin about a 500%illness,
of mental increased
such as
produced) can leadrisk
to of schizophrenia
psychosis
hallucinations
Identical twins are more than twice as
A deficiency of vitamin D due
Syphilis to
(an too likely
STD) to both
can induce moodbe diagnosed with
The section of the brain called the
much of the pigment melanin in the schizophrenia
swings, hallucinations and as non identical twins
temporal lobe is significantly smaller in
skin can lead to paranoia and
depression Alzheimer's sufferers than in non
hallucinations
sufferers
There is a correlation between
depression and low levels of
serotonin…read more

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Biological · Genetics:
· Looking at the role genes
Assumptions play in determining
whether you develop a
1. All abnormal behaviour disorder
stems from a physical
problem within the body
· Biochemistry:
· Chemical messengers in
2. Mental illness is similar to
your body may be
physical illness i.e. a
involved in certain
disease.
mental illness
3. People suffering from
psychological illness will
display symptoms just like
those suffering from
physical illnesses.…read more

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Nucleus
The role of
genetics- pg 265
1. Some individuals are more Chromosomes
predisposed (more likely) than
others to certain illness
2. One theory is that the we DNA
inherit this potential from our
parents
Genes
3. If a disorder is caused
genetically we would expect
people who are closer related are more likely to have the
disorder than people who are less closely related.
4. E.g Gottesman (1991) found the concordance rate of MZ twins
(identical) to be 50% whilst DZ (fraternal) only to be 20%…read more

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