Quantitative measurements of brain perfusion are influenced by perfusion-modifiers.
Standardization of measurement conditions and correction for important modifiers is …

Background: Laterality of brain activation is reported for tests of risk factors of addiction—
impulsivity and craving—but authors rarely address the potential significance of those …

Recent evidence suggests that individuals with opiate dependence may have cognitive
dysfunctions particularly within the spectrum of executive functioning and emotional …

Objective Working memory impairment in individuals with chronic opioid dependence can
play a major role in cognitive and treatment outcomes. Cognitive training targeting working …

Previous research has found heroin addicts to be impulsive. This study employed functional
magnetic resonance imaging technology to investigate the differences between heroin …

Background Both methadone-and buprenorphine-treated opioid-dependent patients
frequently show cognitive deficits in attention, working memory, and verbal memory …

It has been documented that methadone maintenance treatment is effective in reducing drug
craving and relevant risk behaviors in heroin users. However, it is not understood whether …

Functional neuroimaging studies have revealed abnormal functional organization of the
heroin users' brain, including reward circuit, cognitive control circuit, memory circuit …

A distributed network of brain regions is linked to drug-related cue responding. However, the
relationships between smoking cue-induced phasic activity and possible underlying …

Exposure to addictive drugs has been associated with disrupted brain white matter integrity.
A few studies have examined the white matter deficits in heroin users; however, the results …