Dopamine

an adverse reaction to the medications he currently has taken copious amounts of (Benzer, 256). From a pathophysiological standpoint, there is a decreased amount of dopamine receptors, due to an initial blockade, and a decreased performance from the dopamine receptor D2 (Benzer, 256). With the initial decrease performance in the dopamine receptors, there is an adverse reaction with glutamate (Benzer, 257). Glutamate is released more frequently causing catonia subsequently, causing neurotoxicity…

the direct or indirect action of toxins on the nervous system. This theory stipulates that many exogenous substances that go into the body produce in the individual the effects or symptoms of mental illness (Baumeister & Hawkins, 2004). Like the dopamine and glutamate hypothesis, serotonin holds that schizophrenia originated from the effect of recreational drugs like hallucinogenic or psychotomimetic drugs, like LSD, mescaline, psilocybin, and ecstasy on the neurotransmitter serotonin. The drugs…

stimulates the body) Caffeine can also boost positive feelings, in some neurons the adenosine receptor are linked to receptors for another molecule called dopamine One of dopamine's role in the brain is to promote feelings of pleasure that can make it harder for dopamine to fit in its own…

have helped alleviate the symptoms of psychosis and through this discovery it was shown that these drugs blocked the brains dopamine receptor sites, and therefore reinforcing that excess dopamine is clearly an explanation for the diagnosis of schizophrenia. (APPLIED PHYSCOLOHY PG 72) The reverse can for example ampethamines and similar drugs increase the amount of dopamine in the brain and can cause symptoms which replicate those present in psychosis, particularly after large doses or…

World works to support submissiveness by giving citizens instant gratification mainly through intercourse. Relating to the book, Levitin discusses how the brain can suffer a “dopamine-addiction feedback loop, effectively rewarding the brain for losing focus and for constantly searching for external simulation” (Levitin). Dopamine is a neurotransmitter in the brain that when released creates a feeling of satisfaction and happiness, such as when one meets a deadline or after finishing an…

consistent and reputable evidence that consider the link between the brains dopamine mediated reward system and the bias behavior and cognition of adolescence compared to adults (Galvan, 2010). Although…

of dopamine. Doidge said, “Pornographers promise healthy pleasure and relief from sexual tension, but what they often deliver is an addiction, tolerance, and an eventual decrease in pleasure” (Doidge, 2007, p. 107). Sexual experiences such as the consumption of pornography cause a response from the brain similar to many drugs of abuse (Pitchers, et al., 2010). Drugs of abuse and consumption of pornography trigger the reward pathway in our brain to release high levels of dopamine…

information to other cells in the body, and are produced by neurons, nervous system cells, which function is to conduct nerve impulses in the body. The three neurotransmitters related to depression are norepinephrine, serotonin and dopamine (3). Norepinephrine is synthesized from dopamine, and it is related to areas which regulate attention, sleep, learning and emotions in our body (4). It is responsible for giving us the feeling of well-being and tranquility, for example, it is the feeling that…

Drug Addiction An approximate of 208 million people worldwide consume illegal drugs. A 2007 survey in the US showed that 19.9 million Americans (or 8% of the population aged 12 or older) used illegal drugs. (Foundation for a Drug Free World, n.d.) These statistics don’t even include alcohol or nicotine because those drugs are almost legal everywhere. Of how many of these users are addicted? Well it’s a safe bet that most of these individuals are drug addicts because even doing it once can get…

It is quite difficult to understand and believe that a healthy person, full of life, can also transform into just a living body losing the most precious gift of human being – the power of communication and control. Today a large population around the world is struggling with this dreadful silent killer disease called Parkinson. Parkinson affects the physically and psychologically while completely devastating of the patient’s life in long run. The mental trauma of the families dealing with…