Psych385 Reading Note Ch6 - Chapter 6 Emotions and the...

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Chapter 6 Emotions and the Brain How do brain mechanisms of emotion work? Neuroimaging – a machine monitors biochemical events in series of conceptual slices through a person’s brain, while a computer constructs visual images of the brain and show which regions are active They include PET (Positron Emission Tomography), fMRI (functional Magnetic Resonance Imaging) They show movie pictures of brain activity changing over time of different emotional states Functions of regions of the brain Hindbrain – lower levels of the brain that control basic physiological processes: medulla (regulates cardiovascular activity), pons (controls human sleep), cerebellum (controls motor movement), thalamus (integrating sensory information) and hippocampus (memory process). The forebrain also includes the limbic system – structures involved in emotions like amygdale and cortex Growth of cortex – abilities to lead complex social lives (planning and intentional action) The cortex usually inhibits “sham attack”- sudden, inappropriate and ill-directed attacks like cats. The limbic system
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