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brain structure function
A LevelPsychology~4 min read
Overview
This lesson explores the fundamental structure and function of the human brain, the central organ of the nervous system. We will delve into its major divisions, their specialised roles, and how these intricate components work together to control our thoughts, emotions, and behaviours.
Introduction to the Brain and Nervous System
The brain is an incredibly complex organ, weighing approximately 1.4 kg in adults and containing billions of neurons. It is the command centre for the entire body, processing sensory information, regulating bodily functions, and enabling complex cognitive abilities. We begin by understanding its p...
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Key Concepts
- Central Nervous System (CNS): Comprises the brain and spinal cord, acting as the body's control centre.
- Peripheral Nervous System (PNS): Nerves extending outside the CNS, connecting it to the rest of the body.
- Cerebrum: The largest part of the brain, responsible for higher-level functions like thought, language, and voluntary movement.
- Cerebellum: Located at the back of the brain, crucial for motor control, coordination, balance, and procedural memory.
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Exam Tips
- →Be able to accurately label a diagram of the brain, identifying the major lobes (frontal, parietal, temporal, occipital), cerebellum, and brainstem.
- →For each major brain region (cerebrum, cerebellum, brainstem) and each lobe, describe its primary functions and provide a relevant example of a behaviour it controls.
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