Brain and Mind - Learning and Memory
Gapfill exercise
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Animals have
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that control the development of their nervous systems. Receptors and effectors are linked by
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pathways as the animal develops.
The responses of animals such as snails and insects do not vary much from one animal to the next, and their
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nervous systems do not change much.
Humans and other mammals can develop and
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their behaviour to suit the environment.
When a nerve impulse travels along a series of neurons, a neuron
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is formed. New connections form, and this pathway is more likely to be followed by the next nerve impulse - this is how we
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.
The pathways get stronger if the action is
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.
If neuron 1 fires impulses close together, a
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is made between neuron 1 and neuron 2. More nerve impulses mean the link is stronger.
If neuron 2 fires more frequently as a result, it may create a link with neuron 3.
Eventually all 3 neurons are linked, so that when neuron 1 is fired, they
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fire.
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can help in learning because imagining a movement creates pathways and triggers the nerve impulses.
Although the human brain can learn throughout life, learning
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is most easy up to the age of about eight years.
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