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Reaction 4 - Assignment Example

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It connects the hippocampus, prefrontal area, the septa nuclei, and medial dorsal nucleus of the thalamus. These connections enable for the amygdale to play a…
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Reaction 4
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Download file to see previous pages Hypothalamus: The structure is connected to other prosencephalic areas as well as the mesencephalus. The lateral parts of the hypothalamus are involved with rage, reward, arousal, and pleasure. In the same way, the median parts are responsible for displeasure, aversion, and a tendency to loud and uncontrollable laughing.
Cingulate sulcus: The structure is located in the brain’s medial side between the corpus callosum and cingulated sulcus. The frontal part is responsible for emotional reaction and regulation of aggressive behavior.
Serotonin: It affects the manner in which the brain responds to chemical changes in the body. According to Herbert, Herbert and Pauli (2948), serotonin affects depression, arousal, and mood. The undersupply of serotonin results in obsessive-compulsive disorder and problems with controlling anger, along with suicide. Majority of the depression medications, for instance, the newer generation antidepressants focus on increasing serotonin levels. Increased serotonin levels lead to lower depression levels. Among other symptoms, lower levels of serotonin results in poor sleep patterns and depressed mood.
Dopamine: High concentrations of dopamine are found in an area of the brain referred to as the basil ganglia. These are structures of the brain which make sure movement is smooth. Studies have demonstrated that imbalances in dopamine play major role in schizophrenia or dopamine hypotheses and even Parkinson’s disease. A reduction in Dopamine amount has been linked with depression. It has been found that drugs, such as, heroin, cocaine, and alcohol increase dopamine levels resulting in a ‘feel good’ state.
Acetycholine: It has been found to affect mood, attention, and the REM of cycle of sleep. Acetycholine disruption occurs in the neuro-degenerative disease Alzheimer’s disease. There is a 90% loss of acetylcholine in the brains of persons suffering from Alzheimer’s. It is also involved in anger, wakefulness, and ...Download file to see next pagesRead More
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Assignment 4
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