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[DOCX File]TwoCor - Home
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Dopamine is a neurotransmitter found all over the brain. The activation of dopamine receptors correlates to many behavioral changes. The effects of dopamine at the macroscopic level are well characterized; however, the specific effects on the pyramidal cells of the prefrontal cortex are controversial [9].
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How Dopamine Neurotransmitters Affect Behavior | Healthfully
Dopamine’s effects on the brain depend on a few different factors and is influenced by the other types of neurons that its combined with. Scientists originally thought that this substance was related to real pleasure, the pleasure that we’ve experienced. ... Functions of dopamine and behavior and cognition.
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[DOC File]Neurocomputing 26}27 (1999) 107-115
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Although a number of studies show that low levels of dopamine are linked to high rates of criminality, other studies show no association or even a positive link to criminal behavior. However, it is likely that there is a curvilinear relationship between dopamine and criminal behavior, such that both extremely high and extremely low levels of dopamine are both associated with deviance.
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[DOC File]Effects of Drugs on the Brain
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Effects of dopamine neuromodulators on dopamine-mediated. behaviors and neurotransmission in rats; effects of the herb preparation MAK on behavioral indices of aging in mice. 1983-88 Research Assistant: Dept. of Psychology, Southern Illinois. University with Dr. Robert Jensen. Effects of beta-carboline-3-carboxylates on locomotor activity,
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[DOC File]Motivation: separating the ‘could’ from the ‘should’
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Sep 18, 2009 · Cigarette fixation is a combination of nicotine dependency due to the nucleus accumbens wanting more dopamine as it is stimulated, and deeply engrained behavior habits. For some people, the feel, smell, and sight of a cigarette and the usual rituals of obtaining, handling, lighting, and smoking the cigarette are all associated with the ...
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CHAPTER 2 NEUROSCIENCE AND BEHAVIOR
In accord with computational models [6,28], and the role of dopamine in habitual learning and action selection [39-40], we propose that the influence of generalized drive, or ‘energizing’ motivational effects on responding is dopamine-dependent [6,41], possibly mediated by the nucleus accumbens and the central nucleus of the amygdala [42].
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[DOCX File]Neurobiology of Addiction
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18. After surgery, physicians may prescribe a medication to relieve pain. Such a medication would most likely mimic the effects of ___. a. dopamine. b. endorphins. c. serotonin. d. GABA. e. neurotransmitters. 19. Johnny was awakened by a loud, crashing sound in the middle of the night. He was frightened and he jumped out of bed to investigate.
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[DOCX File]Mikhail Koffarnus - Virginia Tech
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All drugs push dopamine system . Reinforcement (euphoria) Continued use impairs frontal cortex. Loss of behavioral control. No regard for consequences of actions. Overview of frontal cortex involvement. Prefrontal cortex system . Lesions associated with irresponsible behavior, poor judgment. Tracking, updating, modulating importance of reinforcer
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Dopamine effects on behavior