Question 1. a. Develop an outline of the components of the human nervous system‚ inclusive of the CNS (central nervous system) the somatic system‚ and both divisions of the autonomic nervous system (ANS). Include in your outline the major distinctions among these systems. Human Nervous System – Overview The human nervous system is composed of all nerve tissues in the body. The functions of nerve tissue are to receive stimuli‚ transmit stimuli to nervous centers‚ and to initiate response
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Antidepressants are one way people can contest depression. All antidepressants work by increasing the levels of neurotransmitters in the brain. This may be so‚ however antidepressants work differently and achieve different effects depending on the chemical composition of the antidepressant‚ which determines which neurotransmitter is affected. There are many types of antidepressants‚ including tricyclics‚ monoamine oxidase inhibitors (MAOIs)‚ and selective serotonin reuptake
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in our body‚ most important neurotransmitter and heart functions‚ and its consumption is essential for the regulation and development of these activities. The brain is one of the organs that benefit the most in taking magnesium supplements‚ magnesium activates ATP‚ a coenzyme that regulates your energy levels‚ making it a good complement to treat fatigue and boost your workouts. It’s also useful to calm your nerves because magnesium is vital for the neurotransmitters that produce serotonin‚ and
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Another physiological process that sleep deprivation can affect is the plasticity of the hippocampus. When applied in stressful environments‚ the amount of glucocorticoid production increases (McEwen‚ 1999). This increase in stress hormones correlates to the atrophy or the shrinkage of the hippocampal region. While this correlation is strongly related‚ other factors do in fact play a part in hippocampal atrophy. For example‚ the amount of dentate gyrus neurons in the brain could also have an effect
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9/13/2011 Review – Exam 1 How do we define abnormal behavior? What is the DSM-IV definition? Epidemiological terms Incidence Prevalence Co-morbidity Review – Exam 1 Historical Perspectives Supernatural Biological Psychological Identify each perspectives explanation for the cause of behavior and treatment methods‚ key figures and their contributions. 1 9/13/2011 Review – Exam 1 Physiological explanations of abnormal behavior Pathogen/disease Genetic flaw (chromosomal abnormality
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Biological Bases of Behavior Why study biology in a psychology class? “Everything psychological is simultaneously biological.” Every thought‚ behavior‚ emotion‚ perception‚ etc. is rooted in our biology‚ particularly our brain The brain is a “psychological organ” as well as a biological one Biological psychology: studies the link between our biology and our behaviors and mental processes a.k.a. biopsychology‚ neuroscience Starting small: The Neuron neuron: a nerve cell;
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Nervous system - Wikipedia‚ the free encyclopedia http://en.wikipedia.org/wiki/Nervous_system Nervous system From Wikipedia‚ the free encyclopedia The nervous system is an organ system containing a network of specialized cells called neurons that coordinate the actions of an animal and transmit signals between different parts of its body. In most animals the nervous system consists of two parts‚ central and peripheral. The central nervous system of vertebrates (such as humans) contains
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vesicles in the axon terminal of a motor neuron contain what neurotransmitter? __________acetylcholine_______________ 3. An action potential in the axon terminal of a motor neuron opens what type of ion channels? ____________Voltage-gated Calcium_____________ 4. By what means of membrane transport does the neurotransmitter leave the axon terminal? ____________exocytosis_____________ 5. Binding of neurotransmitter to the receptors on the motor endplate open what type
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One in three people who commit suicide are under the influence of drugs. Methamphetamine is a highly addictive stimulant that produces feelings of elation and increased energy‚ which is caused by massive releases of the chemical neurotransmitter dopamine in the brain. Methamphetamine was developed during the 20th century from its “parent drug”‚ amphetamine which is commonly utilised in nasal decongestants and bronchial inhalers. It is a highly addictive and dangerous chemical which initially acts
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A commercial once aired on television describing the effects of smoking on the brain. It began with a person holding an egg and saying‚ "This is your brain". The person then cracked the egg into a frying pan and as the egg sizzled the voice was heard saying‚ "This is your brain on drugs". The message was powerful while at the same time informative. Smoking not only affects a person physically‚ but mentally as well. However‚ most people do not know the severe mental damage smoking inflicts since
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