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Free research essays on topics related to: dopamine

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  • Long Term Memory Speech And Language
    1,076 words
    Recent brain scan research has found abnormalities in the brains of stutterers, and promises new treatments for stuttering using drugs and computerized devices. No differences between stutterers and non-stutterers have been found during silent rest (Ingham, 1996). During fluent speech, stutterers' brains look similar to non-stutterers' brains. But during stuttering, cerebral activity changes dramatically. The most striking difference is that left-hemisphere areas active during normal speech beco...
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  • Problems At Home Makes A Person
    1,405 words
    Todays teenagers attend school, have jobs, make time for homework, participate in extracurricular activities, and deal with unexpected obstacles that life contains, all in the course of a 24 hour day. Teens must also set aside time to have a social life and for the 8 hours of sleep needed to help prepare them for the next hectic day. With no time for themselves, teens can easily become overstressed. Stress is not just a mental problem, but also a physical response to an undesirable situation. Ac...
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  • Heart Rate And Blood Pressure State Of Consciousness
    1,567 words
    ... s system (which controls the "fight or flight" response) to be activated. Once the sympathetic nervous system is activated, a user enters in a state of euphoria where the person may feel more activated and alert. One of the organs that the vasoconstrictor effects is the heart. When cocaine is taken through intranasal administration, a high heart rate and blood pressure may result. These problems can lead to cardiomyopathy, the condition in which the heart contracts abnormally. "Cardiomyopath...
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  • Diagnosed With Schizophrenia Cause Of Schizophrenia
    1,259 words
    Schizophrenia is a mental disorder marked by the loss of contact with reality. When a persons thinking, feeling, and behavior is so far from normal as to interfere with his or her ability to function in everyday life, and delusions, hallucinations, irregular thinking or emotions are produced, then he or she has a mental illness called schizophrenia. About one hundred years ago schizophrenia was first recognized as a mental disorder and researchers have been searching for a cure since. The exact ...
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  • Cope With Stress Fruits And Vegetables
    1,345 words
    People are, as the expression goes, what they eat. After all, the muscles in a person's body, and the blood flowing through their veins, are all supplied by the food that he or she consumes. Understandably, these foods would also have an effect on the way the brain functions. The foods we eat have measurable effects on the body's performance, they may prove to have an even more critical influence on how the brain handles its tasks. The idea that the right foods, or the natural neuro chemicals th...
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  • Identical Twins Psychotic Symptoms
    1,395 words
    Schizophrenia is a mental disorder characterized by the loss of contact with reality. When a person's thinking, feeling, and behavior is so far from normal as to interfere with his or her ability to function in everyday life. When delusions, hallucinations, irregular thinking or emotions are produced, then he or she has a mental illness called schizophrenia. About one hundred years ago schizophrenia was first recognized as a mental disorder and researchers have been searching for a cure since. T...
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  • Symptoms Of Schizophrenia Mentally Ill
    1,753 words
    This mental disorder. However, it is proven that one is more apt to obtain schizophrenia if there is a member in their family that has had this disease already leaving those who do not have a family member with schizophrenia to be very unlikely to acquire it. Another way of acquiring schizophrenia in the inherited sense is through a dietary factor. This would mean that a certain food would trigger schizophrenia in a household present in the member of the family that eats that food (Torrey 80). E...
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  • Coca Cola Withdrawal Symptoms
    1,531 words
    ... n one looks at the carcinogens produced when tobacco leaves are smoked. The chemicals found in a cigarette are by far more detrimental to one's health than the nicotine itself. Long term use of nicotine by smoking can lead to coronary artery disease, chronic obstructive pulmonary disease (emphysema), and cancers of the mouth, throat, and lung (Perrine, 1996). Nicotine can be ingested by other means that are not as bad as smoking tobacco; some of these methods are the nicotine patch, chewing ...
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  • New Research Indicates That Drug Therapy Is More
    1,170 words
    ... even-fifties the most commonly used method of treatment for schizophrenia patients was the prescription of anti-psychotic drugs known as phenothiazines, and derivatives such as; chlorpromazine and butyrophenones (Davison & Neale, 1998). All of these were highly effective in treating the positive symptoms of schizophrenia but not as effective for treating the negative symptoms. As well, these drugs were well known for the side effects that they produced such as dizziness, muscle stiffness...
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  • Illicit Drug Ecstasy Mdma
    1,644 words
    Illicit Drug (Ecstasy MDMA) Ecstasy, scientifically known as 3, 4 -methylenedioxy-methamphetamine (MDMA), represents a known street illicit drug and simultaneously entirely synthetic substances, which does not exist in nature. From the chemical perspective, MDMA is a derivative of a derivative of methamphetamine and its parent compound amphetamine. Practically, it differs from the mentioned chemicals in a single but important aspect: due to the specific location of its methylenedioxy (-O-CH^sub ...
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  • Second Hand Smoke United States Government
    1,635 words
    Count 1: The executive officers and members of the boards of the multinational cigarette companies are indicted for conspiracy, or preparation of a common plan to execute the substantive crimes enumerated in counts 2, 3, 4. Count 2: These executives officers and members of the boards of the multinational cigarette companies are indicted for deliberate, willful violation of traditional norms, laws and rules of commerce and social contract. Count 3: These executive officers and members of the boar...
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  • Coca De Mat Rats Or Monkeys Cocaine
    851 words
    &# 61623; Crack Coke Facts Crack &# 61623; Crack is actually a less pure sort of free-base cocaine. Unlike old-fashioned free-base, however, its production doesnt involve any flammable solvents. &# 61623; Crack is usually made by mixing two parts of cocaine hydrochloride with one part baking soda in about 20 ml of water. The solution is then heated gently until white precipitate form. Heating is halted when precipitation stops. The precipitate is filtered and retained. The precipitate may then b...
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  • Drug Usage Drug Abuse
    1,290 words
    ? Discuss The Biological And Psychological Factors That? Discuss The Biological And Psychological Factors That Underlie Drug Abuse And Addiction In order to fully understand this question it is important to define exactly what is meant by the key terms used; the Oxford English Popular English Dictionary? (Paragon, Oxford 1995) defines? abuse? ? as; ? To make bad or wrong use of; to maltreat? , and it defines? addiction? as the condition of doing or using something as a habit or compulsively (esp...
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  • Date Rape Drug Bodily Harm
    1,332 words
    Gamma Hydroxy Butyrate (GHB) Essay written by GHB, or Gamma-Hydroxy Butyric Acid is an intoxicating chemical with medical, recreational, and potentially entheogenic uses. It is a normal component of mammalian metabolism. It is naturally found in every cell in the human body and is most properly considered a nutrient. It is believed to be a neurotransmitter, although it is still unknown as to whether it exhibits all of the properties required to be considered one. GHB was first synthesized about ...
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  • Central Nervous System Withdrawal Symptoms
    2,507 words
    GHB, or gamma-hydroxy butyrate, is a nutrient that is part of the metabolism process in mammalians. It can be found in every cell of the human body. The greatest quantities can be found in the kidney, heart, skeletal muscles, and brown fat tissues (Chin and Kreutzer, 1992). Chin and Kreutzer also believe it to be a neurotransmitter, however that has not yet been proven. GHB is known to be a metabolite and also a precursor of the inhibitory neurotransmitter GABA (gamma-aminobutyric acid). GHB and...
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  • Parkinsons Disease Vitamin C
    1,981 words
    No Parkinsons Disease Parkinsons Disease No man has ever been successful in an endeavor for which he felt no passion -J. T. 1995 - My grandfather is Joe Kenneth McLe more, he was born June 16, 1938. He has been more like a father than a grandfather to me; I was even named after him. So, in 1995 when he was diagnosed with Parkinsons Disease I was devastated. At the time I knew very little about this disease, most of us dont, it effects less that? of 1 % of the population. The only thing I knew ab...
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  • Serotonin Levels Large Amounts
    863 words
    and the Mdma MDMA and the Affects on the brain OUTLINE Introduction 1. Brief History A. Originally created in 1912 as MDA (methylenedioxyamphetamine) B. In 1970 s interest in MDMA (methylenedioxymethamphetamine) for the Aid of Psychotherapy. -Key Effects a. empathetic understanding for others b. large, uncontrolled release of emotions C. When used Clinically, intended result was to have an affect on the Psychodynamic equilibrium (helped to bring repressed material into the walking consciousness)...
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  • Electro Convulsive Therapy Research Has Shown
    2,628 words
    Schizophrenia is a mental disorder marked by the loss of contact with reality. When a persons thinking, feeling, and behavior is so far from normal as to interfere with his or her ability to function in everyday life, and delusions, hallucinations, irregular thinking or emotions are produced, then he or she has a mental illness called schizophrenia. About one hundred years ago schizophrenia was first recognized as a mental disorder and researchers have been searching for a cure since. The exact ...
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  • Negative Symptoms Nerve Cells
    1,468 words
    Josh Gutzwiller Schizophrenia is Schizophrenia Schizophrenia Josh Gutzwiller Schizophrenia is a debilitating mental disorder characterized by a dysfunctional thinking process and withdrawal from the outside world. The word schizophrenia comes from two Greek words schizo which means split and phoenix, which means mind. This doesnt mean that a person with the disorder has multiple personalities, but rather parts of the mind seem to be operating independent of each other. The disease affects approx...
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  • Long Term Memory Speech Pathologist
    2,189 words
    Recent brain scan research has found abnormalities in the brains of stutterers, and promises new treatments for stuttering using drugs and computerized devices. No differences between stutterers and non-stutterers have been found during silent rest (Ingham, 1996). During fluent speech, stutterers brains look similar to non-stutterers brains. But during stuttering, cerebral activity changes dramatically. The most striking difference is that left-hemisphere areas active during normal speech become...
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