The diagram below illustrates a postsynaptic neuron receiving simultaneous inputs from an excitatory presynaptic terminal and an inhibitory presynaptic terminal.
With reference to the diagram, explain how the processes of excitation, inhibition, and summation interact to determine whether an action potential is generated in the postsynaptic neuron.
Practise Edexcel A Level Psychology Content with exam-style questions for A Level Psychology. 1,059 questions covering Bowlby's work on attachment, Ainsworth and the Strange Situation, Research into deprivation, Research into privation, Research into day care, Cross-cultural research into attachment, Autism, Individual differences, and Developmental psychology, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
