Effects of too much dopamine

    • [DOC File]Drug Therapy & Research

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      Some physicians recommend using dopamine agonists before levodopa therapy because they can improve tremors, rigidity and slow movements and have relatively few side effects. But side effects such as confusion or hallucinations appear to be more common in the over-65 age group.

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    • NIDA – Intro to the Brain - PowerPoint Presentation

      After the dopamine binds, it comes off the receptor and is removed from the synaptic cleft by uptake pumps (also proteins) that reside on the terminal (arrows show the direction of movement). This process is important because it ensures that not too much dopamine remains …

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    • [DOC File]Fetal Brain Cell Transplants Benefit Some Patients with ...

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      Björklund says other experiments using much higher volumes of fetal tissue have not produced these side effects. He says technical problems with the trial make it impossible to estimate how many of the dopamine-producing cells reached the vital part of the patients' brains. The surgical technique itself was unusual, he says.

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    • [DOC File]Chapter 11

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      Too much dopamine at certain synapses. Larger cerebral ventricles. Reduced brain volume. Dizygotic/monozygotic twin studies and Adoption studies showed evidence for the genetic effects on the disorder.-Community factors and Stress: Low SES with schizophrenia.-But so what? Causes …

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    • [DOC File]Neurotransmitter Notes:

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      , dopamine neurons are probably involved! The severe mental illness . schizophrenia. has been shown to involve excessive amounts of dopamine in the frontal lobes, and drugs that block dopamine are used to help schizophrenics. On the other hand, too little dopamine in the . motor. areas of the brain are responsible for . Parkinson's disease

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    • [DOC File]Psychoactive Drugs

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      The effects of snorting cocaine are felt in 2-5 minutes, and the high lasts for 30-45 minutes. After the initial euphoria, the user has an intense crash, marked by depression, anxiety, agitation, and a powerful craving for more cocaine. Coke stimulates the pleasure pathways in the brain, which use dopamine.

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    • [DOCX File]TwoCor - Home

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      However, if the basal ganglia receive too much dopamine, it will cause the body to make unnecessary movements, specifically repetitive tics that are a common symptom of Gilles de la Tourette’s syndrome.

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    • [DOC File]10-30-07 Antipsychotic Medications

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      Dopamine Pathways . General CNS Distribution – less widespread than NE & Serotonin… Limbic (center) brain – has too much dopamine activity. Frontal cortical brain – has too little dopamine activity, insufficient feedback of . glutamate. Nigrostriatal Pathway – involves . movement, habit, learning, dopamine enters substantia nigra ...

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    • [DOC File]The “Chemical Imbalance” in Mental Health Problems

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      Too much or too little of these neurotransmitters are now felt to produce psychiatric conditions such as schizophrenia, depression, bi-polar disorder, obsessive-compulsive disorder, and ADHD.

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    • [DOC File]Anxiety Disorders – an Outline

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      Dopamine – correlated with movement, attention, and learning § Too much dopamine has been associated with schizophrenia, and too little is associated with some forms of depression as well as the muscular rigidity and tremors found in Parkinson’s disease.

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