IMED1004 (9) Brain and Emotion Exam Questions and Answers Fully Solved Graded A+

IMED1004 (9) Brain and Emotion Exam Questions and Answers Fully Solved Graded A+ 1. Understand that emotions have important adaptive functions for survival 2. Be able to describe the "emergency arousal system" and the "dual emotional pathways" mechanism 3. Know the ket structures of the limbic system and how their dysfunction affects emotion and behaviour 4. Know the function, main receptor and associated disorders for each of the key neurotransmitters involved in emotion: glutamate, GABA, serotonin, noradrenaline and dopamine) 5. Be able to describe the pharmacological evidence for the monoamine theory of depression as well as its limitations 6. Understand the basic mechanisms of the neurotrophic theory of depression - Answers Dual Emotional Pathways - Answers 1. Sensory input goes to thalamus Unconscious: 2a. goes straight to amygdala in limbic/emergency arousal system Conscious 2b. goes to cerebral cortex for processing 3. response is formulated and sent to amygdala Limbic system structures - Answers - hypothalamus and thalamus - hippocampus - amygdala Hypothalamus - Answers Limbic system diagram - Answers Amygdala - Answers Hippocampus - Answers Limbic system function - Answers processing of emotion, motivation, learning and memory Hippocampus function - Answers forming and retrieving short term memories Hippocampus damage - Answers memory impairment for recent events Amygdala function - Answers organises motivational and emotional response patterns, especially aggression and fear