Neurons & Brain Structure
Science · The Human Body · conceptual
Explain how neurons transmit signals as electrochemical impulses across synapses, describe how the brain is organised (lobes and functions, limbic system for emotion), and explain neuroplasticity — why learning and practice physically change brain structure — connecting to optical illusions as evidence that the brain constructs reality rather than passively recording it
What mastery looks like
- Describes the neuron-to-neuron signal pathway: electrical impulse travels along axon, neurotransmitter crosses the synapse, new impulse begins in the next neuron
- Names the four lobes of the cerebral cortex (frontal, parietal, temporal, occipital) and gives one function for each
- Explains neuroplasticity: repeated neural pathways become stronger and faster — this is the biological mechanism of learning and skill development
Check your understanding
If Neurons & Brain Structure was asked why practising a skill like piano or football makes you better over time, could they explain what's actually happening physically in the brain — and describe what it means to say the brain 'rewires itself'?
Prerequisites
Required first