BIO 12 Lecture Notes - Lecture 4: Cingulate Cortex, Entorhinal Cortex, Olfactory Bulb
14 Sep 2020
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Document Summary
Located at the center of the brain beneath the other four lobes. Center for feelings and control of emotion (fear, anger, pleasure and sorrow) Influences unconscious and instinctive behaviors that relate to survival. The temporal lobe component of the limbic system plays essential role in the interpretation of smell. Olfactory bulb - explains why the sense of smell is associated with emotions (think of smells that recall happy memories). Amygdala - influences behavior appropriate to meet the body"s needs and is associated with emotional reactions especially fear, anxiety and aggression. Hippocampus involves in memory and learning, recognizes new information and recalls spatial relationships. Parahippocampus helps monitor strong emotions like rage and fright. Fornix pathway of nerve fibers from hippocampus to mammillary body. Mammilary body - nucleus that transmits messages between the fornix and the thalamus. Cingulate gyrus area that comprises the limbic cortex, and modifies behavior and emotion. Septum pellucidum connect the fornix to the corpus callosum.
