U of M NSCI 1001 - NSCI1001Exam4 (9 pages)

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NSCI1001Exam4



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NSCI1001Exam4

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Pages:
9
School:
University of Minnesota- Twin Cities
Course:
Nsci 1001 - Fundamental Neuroscience: Understanding Ourselves
Fundamental Neuroscience: Understanding Ourselves Documents

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IMAGINATION Definition of imagination Imagination is the subjective experience that arises from neural representations of sensory stimuli and actions Your subjective experience activates similar pathways in the brain as directly experiencing stimuli or engaging in actions From Doidge One reason we can change our brains simply by imagining is that from a neuroscientific point of view imagining an act and doing it are not as different as they sound imagining an act engages the same motor and sensory programs that are involved in doing that act What does the lecture tell us about the purpose of imagination The purpose of imagination is to allow for flexible and predictive decision making Imagination is the product of the interaction between our brain and our body What is meant by The brain spills out into the body What experiments including their results illustrate this idea Due to the fact that sensory and motor neurons work to simulate action and sensory perception during imagination AND the same neurons and pathways are activated to a somewhat lesser degree during imagination Sometimes when imaging things and the motor neurons are activated there are related actions and motor function Subtle movements reflect cognition For example Experiment 1 Eye movement and performing arithmetic Researchers had participants complete a series of addition and subtraction problems using number symbols dots etc They also tracked participants eye movement through a computerized algorithm that tracks the activity of the part of the brain that controls eye movement The concluded that when you look to the right when performing addition and left when performing subtraction It is an unintended consequence of performing math because that is how we understand math in terms of space Experiment 2 Gesturing and motor threshold While a person is talking if they are talking about an action that they have a sufficient amount of experience and simulating it in their imagination it will pass a motor



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