112679
Description
Mind Map by marnie_gibson, updated more than 1 year ago
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Created by marnie_gibson
over 11 years ago
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Physiological
(S+W)
- Use of sophisticated equipment such as MRI scanners
which provide an objective and precise way of measuring
brain structure.
- E.g. Maguire et al.'s study
the researchers were able
to scan living brains using
MRI technology which
enabled the researchers
to gain lots of quantitative
and objective data about
the density of the grey
matter of the
hippocampus.
- A scientific approach using
laboratory type experiments.
- E.g. Dement and
Kleitman's study of
sleep and dreaming,
the participants were
studied under tightly
controlled conditions.
- E.g. Dement and
Kleitman's study of
sleep and dreaming,
the participants were
studied under tightly
controlled conditions.
- E.g. Maguire et al.'s study
the researchers were able
to scan living brains using
MRI technology which
enabled the researchers
to gain lots of quantitative
and objective data about
the density of the grey
matter of the
hippocampus.
- Useful as it may be used to diagnose
and develop treatments and therapies
for illnesses or problems.
- E.g. Maguire et al. suggested that
their study has implications for those
who have suffered brain injury
or disease because they
demonstrate the plasticity of the
brain.
- the development
of
anti-depressant
drugs which are
more
controversial
partly because of
the side effects
that may occur.
- E.g. Maguire et al. suggested that
their study has implications for those
who have suffered brain injury
or disease because they
demonstrate the plasticity of the
brain.
- Testing behaviour in laboratory conditions the
measurement of behaviour often lacks validity.
- E.g. Dement and Kleitman measured sleep in
laboratory conditions which is not typical of how
people normally sleep. Therefore asking people to
sleep with electrodes attached to their scalp and
face is low in ecological validity.
- Similarly Sperry's
participants were
asked to complete
unusual tasks which
again are not typical of
everyday behaviours.
- E.g. Dement and Kleitman measured sleep in
laboratory conditions which is not typical of how
people normally sleep. Therefore asking people to
sleep with electrodes attached to their scalp and
face is low in ecological validity.
- Costly and time-consuming because of the
use of sophisticated equipment and lengthy
procedures.
- This often leads to such studies having small
samples E.g. Dement and Kleitman study
which only studied 5 participants in depth =
not representative & hard to generalise.
- Sperry was only
able to 11 ppts
whom had
undergone
disconnection of
the cerebral
hemispheres.
- Sperry was only
able to 11 ppts
whom had
undergone
disconnection of
the cerebral
hemispheres.
- This often leads to such studies having small
samples E.g. Dement and Kleitman study
which only studied 5 participants in depth =
not representative & hard to generalise.
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