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    Psychology GCSE

    Serotonin in the brain

    What Serotonin in the brain means in Psychology GCSE, as defined for AQA.

    Definition of Serotonin in the brain

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    Reference: AQA

    Low serotonin activity in the brain is linked to low mood, making it the named example neurotransmitter implicated in depression.
    AQA · Psychological problems

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