A researcher is investigating the neural changes that occur in rats learning to navigate a complex maze. After several days of training, the researcher examines the rats’ brains. Which of the following changes would be MOST consistent with the principles of synaptic plasticity as it relates to learning?
A decrease in the number of neurotransmitter receptors on the presynaptic neurons in the hippocampus.
An increase in the efficiency of signal transmission between neurons in the hippocampus due to long-term potentiation.
A widespread increase in the size of neurons throughout the entire brain.
A decrease in the overall number of neurons in the cortex due to pruning.
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Create Free Account Log inThis is a free VCE Units 3 & 4 Psychology practice question worth 1 mark, testing your understanding of Synaptic plasticity. It falls under How does the nervous system enable psychological functioning? in Unit 3: How does experience affect behaviour and mental processes?. Submit your answer above to receive instant AI-powered marking and personalised feedback.
In this unit students investigate the contribution that classical and contemporary research has made to the understanding of the functioning of the nervous system and to the understanding of the biological, psychological and social factors that influence learning and memory. Students examine how the human nervous system enables a person to interact with the world around them and explore how stress may affect a person’s psychological functioning. Students investigate how mechanisms of learning and memory lead to the acquisition of knowledge and the development of new and changed behaviours. A student-designed scientific investigation involving the generation of primary data related to mental processes and psychological functioning may be undertaken in either Unit 3 or Unit 4, or across both Units 3 and 4, and is assessed in Unit 4 Outcome 3.
In this area of study students explore the role of different subdivisions of the nervous system in enabling a person to integrate, coordinate and respond to internal and external stimuli. Students examine neurotransmitters and neuromodulators in the transmission of neural information. They investigate stress as a psychobiological process and consider the ways in which stress can affect psychological functioning. Students explore models that describe stress and consider strategies for coping with stress and improving mental wellbeing.
synaptic plasticity – resulting from long-term potentiation and long-term depression, which together act to modify connections between neurons (sprouting, rerouting and pruning) – as the fundamental mechanism of memory formation that leads to learning
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