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NROC61H3 (42)
Chapter 18

Chapter 18 - Exam Notes

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Department
Neuroscience
Course
NROC61H3
Professor
Le Boutillier
Semester
Fall

Description
Chapter 18Brain Mechanisms of EmotionsAffective neuroscience The investigation of the neural basis of emotion and mood Group of interconnected structures including the hypothalamus amygdala and cerebral cortex appear to be intimately involved in the processing of emotionsJamesLange TheoryProposed that we experience emotion in response to physiological changes in our body o Eg We feel sad because we crycrysad o Physiological changeEmotion o Sensory systems send info to our brain about current situation and as a result our brain sends signals out to the body changing HR etc o Sensory systems then react to changes evoked by brain and it is this sensation that constitutes emotion CannonBard TheoryEmotional experience can occur independently of emotional expression Emotions can be experienced even if physiological changes cannot be sensedSupport to this claim Studied transection of spinal cord of animals eliminates body sensations below the level of the cut but did not diminish emotionArgued that physiological changes seen in fear is also seen in other nonemotional conditions eg feverThalamus plays a special role in emotional sensationso Emotions are produced when signals reach the thalamus either directly from the sensory receptors or by descending cortical inputo Character of emotion is determined by the pattern of activation of the thalamuso However emotion is sometimes af
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