Within the brain‚ the main structures that determine mood and behavior are the amygdala‚ the thalamus‚ and the hippocampus. The amygdala is associated with emotions such as anger‚ pleasure‚ sorrow‚ fear‚ and sexual arousal. The thalamus is the region of the brain responsible for speech‚ behavior and movement. The hippocampus helps internalize certain events and creates long-term memory. Recent evidence identifies certain alterations in these areas of the brain in people suffering from depression
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linked to the imbalance of the hormone serotonin‚ which regulates mood and emotion. Low levels of serotonin are common in people with impulse behaviors. The neurotransmitter dopamine is also linked to kleptomania. Dopamine causes pleasurable feelings and when a person steals it releases the “feel good” neurotransmitter dopamine. Typically‚ people with kleptomania don’t steal for a personal gain; they do it simply because they cannot resist the urge. Episodes are generally spontaneous‚ without thought
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Many people in our community suffer from severe mental illness and neurological disorders. The personal suffering is great‚ and there is a huge cost in terms of the burden of care on families plus the overall loss of the individual’s contribution to society. The costbenefits of early diagnosis and intervention are well established at an economic‚ societal and individual level but hampering early intervention is the current lack of definitive‚ quantitative techniques for diagnosing or measuring
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problems during pregnancy or delivery. The medical explanation for ADHD is that neurotransmitters help the human brain to form thoughts‚ store and recall information‚ and translate thoughts into physical actions. One of these neurotransmitters‚ dopamine‚ is abnormally low in children diagnosed with ADD and ADHD. Another key neurotransmitter that may play a role in ADHD is acetylcholine‚ which is responsible for signaling and helping to control memory‚ attention‚ awareness‚ perception‚ reasoning
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Due to the dopamine deficiency‚ PD patients have several different symptoms. Most report a gradual onset of aching‚ malaise‚ and fatigue; followed by evidence of a tremor in one or more than one extremity.11 Even with the large number of symptoms‚ no two people will experience the exact same symptoms of the disease.8 These symptoms are divided into two categories: motor and non-motor symptoms. Because PD affects the way the brain controls the movements of the body‚ the first symptoms usually
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neurological. In fact‚ addiction is a disease. When a heroin addict takes a hit‚ it stimulates the neurotransmitter system of his brain‚ producing dopamine and activating the feeling of pleasure he gets. This physical change that takes place in the body at this time is what classifies addiction as a disease. Addiction not only produces a large amount of dopamine‚ but the greatest change in the body is the rewiring of the brain. The long-lasting‚ rewiring changes to the brain are “electrical‚ morphological
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Outline and evaluate the biological approach to psychopathology (12 marks) The biological approach to psychopathology states that abnormal behaviour is a result of the brain not functioning correctly. This approach treats psychological disorders in the same way as physical orders. It suggests 4 main causes of abnormality: brain injury‚ infection‚ neurotransmitters and genetics. Brain injury Brain injury is deterioration or fault of brain cells can cause memory loss often present in Alzheimer’s
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in Marijuana. B. The main chemical in Marijuana is THC; in the brain‚ THC binds with cannabinoid neural receptors which control memory‚ thought‚ sensory/pleasure‚ perception and concentration. C. THC also affects the neurotransmitters Dopamine‚ Norepinephrine‚ Seratonin levels and GABA levels (which are linked to insomnia and stress). D. In some individuals‚ Marijuana can produce anxiety‚ panic and even paranoia. E. Marijuana reduces physical coordination in tests with non-smoking
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Running Head: CHOICE VS. DISEASE Addiction: Choice vs. Disease Danny O’Dell Kaplan University CM220-14AU Professor Pappas January 16‚ 2010 Johnny ’s heart is beating at over a hundred and thirty beats per minute. He can ’t sleep again and is sweating profusely. Johnny hears a voice saying "Don ’t do it Johnny. You know how this will end." Then he hears another louder‚ more insistent voice
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abnormal psychology. The second most common neurodegenerative disorder is Parkinson’s disease. Parkinson’s disease is found more in men than women. This disease is characterized by motor symptoms involving rigid movements and resting tremors. Loss of dopamine neurons in a certain area of the brain known as substantia nigra is the cause for rigid movements and resting tremors. An
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