Recap of Lecture 3• each individual neuron generates a resting membrane potential•neurons transmit information via action potentials• synaptic events allow neurons to integrate information to perform simple calculations
The processing of visual information The information from 100 million photoreceptors converges on 1 million axons……which diverge to influence billions of cortical neurons
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Outline of Lecture 4• what happens when the action potential reaches the end of the axon?• what are the different types of receptor and why are they important?• what are neurotransmitters, and what are the main neurotransmitters in the brain?