which explains how when an individual takes a drug that alters the availability of one or more neurotransmitters‚ it affects the mood or behaviour of the person. Depressant drugs slow the brains activity and stimulants make the stimulation between one neuron to another easier. A repeated use of any drug is likely to change the chemical balances within the brain. This is due to the level of neurotransmitters in the brain being regulated. When a person takes a psychoactive drug which artificially changes
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works. The 1950s marks the start of the field of biopsychology focusing on Penfield as he began to research into neurochemistry and underlying behavior it causes. From this‚ scientists began to learn about the structure of the brain and how neurotransmitters and electrochemical signals are used in order to communicate throughout the body. Development of more specialized equipment and research into pharmaceuticals and surgical techniques has lead to a greater understanding of how the brain works and
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Analyzing Biopsychological Disorders Bonnie Montgomery Analyzing Biopsychological Disorders Part A Biopsychology is a biological approach to psychology. Historically‚ researchers believed that neuropsychological disorders were of the brain‚ and psychological disorders were of the mind. Now‚ psychologists understand that these distinctions do not exist. Biological approaches to psychological disorders direct psychologists to consider the active cause and effective treatments of major psychological
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Lysergic Acid Diethylamide (LSD) LSD)‚ a potent hallucinogenic drug‚ also called a psychedelic‚ first synthesized from lysergic acid in Switzerland in l038. Lysergic acid is a white odorless drug‚ a component of the mold of ERGOT. Ergot is a product of the fungus Claviceps purpurea. Th e bio-active ingredients of ergot are all derivatives of lysergic acid. LSD is a semi-synthetic derivative of lysergic acid. Thus LSD is an "ergot" - like substance. The drug evokes dreamlike changes
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1. Human Nervous System- the part of a body that coordinates its voluntary and involuntary actions and transmits signals between different parts of its body. Mostly‚ it consists of two main parts‚ the central nervous system (CNS) and the peripheral nervous system (PNS). 2. Central Nervous System- the processing center for the nervous system. It receives information from and sends information to the peripheral nervous system. The two main organs of the CNS are the brain and spinal cord. The brain
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DNA QUESTION 1995: L. PETERSON/AP BIOLOGY The diagram below shows a segment of DNA with a total length of 4‚900 base pairs. The arrows indicate reaction sites for two restriction enzymes (enzyme X and enzyme Y). (A) Explain how the principles of gel electrophoresis allow for the separation of DNA fragments. (B) Describe the results you would expect from electrophoretic separation of fragments from the following treatments of the DNA segment above. Assume that the digestion
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Bipolar Disorder While the precise causes of bipolar disorder are not yet fully understood‚ we do know that It is primarily a biological illness. However‚ its onset is often linked to stressful life events. There are a number of factors that are believed to play a role in developing bipolar disorder Including genetics‚ brain chemicals‚ environmental factors and sometimes medical illnesses. Bipolar Disorder is a mental illness in which a person ’s mood alternates between extreme mania and depression
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Nicotine is an alkaloid present in plants of the Family Solanaceae. Most commonly found in tobacco (Nicotiana tabacum)‚ nicotine serves as a plant secondary chemical to protect plants against insects and other herbivores. Nicotine is an addictive stimulant in mammals‚ and is commonly used in cigarettes‚ cigars‚ pipes‚ and chewing tobacco. Nicotine can be administered to the body in many ways: orally through smoking tobacco‚ inhaling vaporized nicotine‚ or ingesting nicotine substances such as gum
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Synaptic Gap – This is a small gap between the cell membrane and the synapse it separates the neurons and allows the synapse to pass information. Axon – It’s a long slender part of the nerve cell‚ that helps transmit the neural signal. Neurotransmitter – They are brain chemicals that communicate throughout the body. Amygdala – It is located in the cerebral hemisphere that looks like a grey almond shape‚ it controls the emotions we have from hormones‚ arousal and emotional memories. Hippocampus
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University of Phoenix Material Origins of Psychology and Research Methods Worksheet Part I: Origins of Psychology Within the discipline of psychology‚ there are several perspectives used to describe‚ predict‚ and explain human behavior. The seven major perspectives in modern psychology are psychoanalytic‚ behaviorist‚ humanist‚ cognitive‚ neuroscientific/biopsychological‚ evolutionary‚ and sociocultural. Describe the seven major psychological perspectives using two to three sentences each
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