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Biological Approach
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This is the section for the biological approach in psychology.
We'll look at the structure and functions of the brain, how biological
approaches explain illnesses and more...
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Key
Facts |
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- The adult human brain usually weighs about 1 – 1.5 kg
in an average volume of 1,600 cm³.
- It consumes about 20% of the energy used by the body.
(In infants, it consumes about 60%). This generates a lot
of heat, which must be removed to prevent damage.
- At birth, the human skull is rather soft, and it deforms
somewhat during its passage through the birth canal, then
recovers its shape. This allows it to expand to make room
for the brain, which continues to grow, at the same rate
as that of an unborn fetus, for an additional year. In all
other animals, the growth rate of the brain slows significantly
at birth.
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Read an outline and evaluation of the biological approach in psychology:
Introduction to Biological
Approach
 Explaining
behavior, the biological way:
Discover what each part of your brain does and how it functions with
the new interactive Brain Explorer on Psychologist World. Try
it here
Debating the Biological Approach
Can 'brain chemistry' explain our behavior?
Treating Disorders with the Biological Approach:
Neurological Disorders
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Source
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The
idea that we only use 10% of our brains is a myth: it originated
from either an advertisement or misleading interpretation
of neurological research in the late 19th or early 20th century.
We actually use our entire brains, but the myth was perpetuated
by 'psychics' who claimed that we could tap in to the other
functions of the brain in order to enjoy abilities such as
Extra-Sensory Perception.
