Search results
Results from the WOW.Com Content Network
“The brain changes, and it doesn’t recover when you just stop the drug because the brain has been actually changed,” Kreek explained. “The brain may get OK with time in some persons. But it’s hard to find a person who has completely normal brain function after a long cycle of opiate addiction, not without specific medication treatment.”
The other model is the choice model of addiction, which contends that addiction is a result of voluntary actions rather than brain dysfunction. [4] Through this model, addiction is viewed as a choice and is studied through components of the brain such as reward, stress, and memory. [5]
Memory impairment during acute intoxication involves dysfunction of episodic memory, a type of memory encoded with spatial and social context. Recent studies have shown that there are multiple memory systems supported by discrete brain regions, and the acute effects of alcohol and learning and memory may result from alteration of the ...
Drug addiction, which belongs to the class of substance-related disorders, is a chronic and relapsing brain disorder that features drug seeking and drug abuse, despite their harmful effects. [31] This form of addiction changes brain circuitry such that the brain's reward system is compromised, [ 32 ] causing functional consequences for stress ...
Binge drinking regimes are associated with causing an imbalance between inhibitory and excitatory amino acids and changes in monoamine release in the central nervous system, which increases neurotoxicity; this may result in cognitive impairments, psychological problems, and may cause irreversible brain damage in both adolescent and adult long-term binge drinkers.
The heroin and opioid abuse epidemic is hitting America hard with heroin use more than doubling in the past decade among young adults, according to the CDC.While the dire statistics tell the ...
In psychopharmacology, researchers are interested in any substance that crosses the blood–brain barrier and thus has an effect on behavior, mood, or cognition. Drugs are researched for their physiochemical properties, physical side effects, and psychological side effects.
Addiction is a brain disorder characterized by compulsive drug use despite adverse consequences. [ 36 ] [ 57 ] [ 58 ] [ 59 ] Addiction involves the overstimulation of the brain's mesocorticolimbic reward circuit ( reward system ), essential for motivating behaviors linked to survival and reproductive fitness, like seeking food and sex. [ 60 ]