Psychology GCSE

Biological explanations

What Biological explanations means in Psychology GCSE, as defined for Pearson Edexcel.

Definition of Biological explanations

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Read the wording for your board, then hide it and explain Biological explanations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

Reference: Pearson Edexcel

For narcolepsy, the primary explanation is a lack of the brain chemical hypocretin, which regulates wakefulness, often due to an autoimmune response.

Pearson Edexcel · Sleep and dreaming (study guide)

Topics that use Biological explanations

Sleep and dreaming (Pearson Edexcel GCSE)

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Using Biological explanations in the exam

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