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AQA GCSE Psychology Your notes
Sensation & Perception
Contents
The Difference Between Sensation & Perception
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The Difference Between Sensation & Perception
Your notes
What is sensation?
Sensation refers to the activation of any of the five senses: sight, sound, smell, touch, taste
Sense receptors process external stimuli as follows:
The eyes process visual information e.g. the sight of a burger
The ears process auditory information e.g. the sound of the burger sizzling on the hot-plate
The nose processes olfactory information e.g. the smell of the burger
The mouth and tongue process taste-based information e.g. the flavour of the burger
The skin and mouth process touch-based information e.g. the texture of the burger in the hands
or in the mouth
Sensation refers to anything that a human being can physically feel, therefore humans are sensate
beings
Human beings can detect a stimulus in their environment - as are other animals but to a much larger
extent than humans due to their reliance on being able to detect predators
Sensation Example Diagram
All five senses will be activated by this burger (does anyone else suddenly feel hungry?...)
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Exam Tip
Your notes
Remember to give examples in exam questions. Rather than simply describing what sensation means,
you should give an example to illustrate your point e.g. ‘Smelling a flower is an example of sensation’.
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What is perception?
Perception refers to the meaning that human beings give to the sensations that they experience Your notes
Human beings use perception to process and organise sensory information, giving them the ability to
identify and respond to environmental stimuli
Perception is the meeting point between the sense receptors (e.g. the eyes) and the brain: without the
brain doing its work then sensations would be meaningless e.g. the sight of a beautiful sunset would
not be interpreted as ‘beautiful sunset’ but would simply be viewed as a set of shapes and colours
Perception takes place using information built up via past experience e.g. ‘This is a burger, I am meant
to eat it’; ‘This is a bed, I am meant to lie in it’
Perception involves the cognitive process of thinking - although some types of perception do not
require much thought at all e.g. smelling milk that has gone off
Perception in Humans Diagram
Sensations are interpreted into perceptions.
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Worked example
Your notes
Here are some examples of questions you might be asked on this topic - for AO1 and AO2.
AO1: You need to demonstrate knowledge and understanding of key concepts, ideas, theories and
research.
AO2: You need to apply your knowledge and understanding, usually referring to the ‘stem’ in order to
do so (the stem is the example given before the question).
AO3: You need to analyse and evaluate key concepts, ideas, theories and research.
After each featured question there is a ‘model’ answer i.e. one which would achieve top marks in the
exam.
AO1:
Question: Give one example of perception. [1]
Model answer:
An example of perception could be hearing a bell at school and understanding that this means it is
time to go to the next lesson;
AO2:
Jack fell down the hill and cut his head which hurt rather a lot; Jill saw the blood and realised that Jack
needed to see a doctor.
Question: Outline what is meant by sensation and what is meant by perception, referring to both Jack
and Jill in your answer. [4]
Model answer:
Jack is an example of sensation;
As he felt pain when he cut his head after falling down the hill;
Jill is an example of perception;
As she saw Jack’s blood and interpreted it as dangerous and a sign that Jack needed medical
help;
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