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[DOCX File]TwoCor
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pathways - normal . pleasurable. stimuli (eating, sex) induce release of . dopamine; dopamine. is key in regulating the ability to experience certain types of activities as pleasurable. 3. Lines of evidence supporting the hypothesis that the reinforcing actions of cocaine are mediated through its actions on dopaminergic systems. 1.
dopamine pathways in schizophrenia

How the Dopaminergic Pathways is Key to Motivation & Reward - …
Three dopamine pathways and their related cognitive processes. Most of your dopamine is generated deep in the midbrain, and it is released in many different areas across the brain. These areas are largely responsible for behaviors associated with learning, habit formation, and addiction. While the reward pathways
dopamine pathways pdf

[DOCX File]Neurobiology of Addiction
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Plasticity The brain’s ability to recover from brain/nerve damage by possibly creating new pathways for previous messages Action potential This allows messages to flow from neuron to neuron as an electrical charge is created when positively charged sodium ions flow into a neuron and flows out as positively charged potassium charges.
dopaminergic pathways pdf

[DOC File]University of Arizona
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, dopamine enters substantia nigra & flows to striatum. Mesolimbic Pathway – involves . emotion & affect, motor and sensory processing, dopamine enters limbic area. Mesocortical Pathway – involves . decision-making, cognition, dopamine enters prefrontal cortex. Tuberoinfundibular Pathway – involves . prolactin inhibition, GH release, dopamine enters pituitary. …
nigrostriatal dopamine pathway

[DOCX File]Paper 2 Clinical: Studies – Carlsson et al (2000)
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Identification of brain pathways involved in addiction. Self-injection in laboratory experiments. Found various brain areas are sensitive to drugs. Led to discovery of reward (pleasure) pathways. Ventral tegmental area (VTA) Targets throughout higher centers in brain. Dopamine as neurotransmitter: released into synapses
dopamine pathways chart

[DOC File]10-30-07 Antipsychotic Medications
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This can lead to these brain pathways being “hijacked” by the intense dopamine signal. A great example of this is the drug . cocaine … when people take it, it floods the brain with dopamine, and the brain changes its programming to want to take cocaine again, and again, and again (3).
dopamine reward pathway

[DOCX File]San Diego Miramar College
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in contrast glutamate neurons that connect to dopamine neurons involved in the limbic system have a GABA interneuron inbetween, GABA inhibit the release of dopamine, acting as a brake on dopamine pathways, if this brake is removed by for example less glutamatergic activity excess dopamine can contribute to the experience of positive symptoms of ...
dopaminergic pathway

Dopamine pathways in the brain