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The Amygdala: Central Component in the Neurological Pathway of Fear
Member rating: No Rating | Words: | Submitted: Fri Jan 28 2005
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The Amygdala: Central Component in the Neurological Pathway of Fear Fear produces physiological symptoms in a wide variety of animals. Symptoms that are displayed when an animal is afraid include changes in autonomic activity for example changes in heart rate, blood pressure, or respiration. Fear can also be inferred when an animal freezes or suddenly stops some ongoing behavior such as eating or interacting with other animals. Also a change in simple reflexes or a change in facial expressions can also be a measure fear. When an organism is afraid and at the onset of fear these symptoms seem to kick in almost automatically as well as simultaneously. These highly correlated sets of responses seen during fear along with existing knowledge of the visual and auditory neural pathways suggest that stimuli elicited fear results from activation of a single area of the brain, the amygdala. Research...
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