Sex Differences in Attentional Bias and Cognitive Functioning in Response to Stress in Marijuana-dependent Individuals
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 40
- 试验地点
- 2
- 主要终点
- Primary outcome measures will be obtained from the auditory odd-ball task: differences while viewing the marijuana vs neutral video in reaction time (msec), errors of omission (%), and errors of commission (%).
研究概览
简要总结
The purpose of this study is to explore sex differences in cognitive functioning and responses to marijuana-related items, and to determine whether stress impacts these measures.
Hypothesis 1: Attentional bias will be greater for marijuana cues in male marijuana-dependent subjects relative to female marijuana-dependent or non-dependent male controls.
Hypothesis 2: Marijuana-dependent females will exhibit greater stress-induced changes in attentional bias and cognitive functioning than marijuana-dependent males.
详细描述
Ample evidence implicates both environmental cues and negative affective states in maintaining drug use or triggering relapse. However, although 'craving' is believed to drive continued drug use, it is not well understood how cognitive processes influence craving and relapse, nor how they may differ between the sexes. Therefore, the goal of this study protocol is to provide insight into sex differences in the cognitive aspects of drug craving and to assess the impact of stress on attentional bias for drug-related cues as well as on the availability of cognitive resources.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 65 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Inclusion criteria will include subjects between the ages of 18-65 who meet full DSM-IV criteria for marijuana dependence and non-dependent controls.
排除标准
- •Exclusion criteria will include medications that may affect cognitive or HPA-axis functioning
- •Current depression
- •Bipolar disorder
- •Attention deficit hyperactivity disorder
- •History of psychosis
- •Suicidal or homicidal intent
- •Significant cognitive deficits
- •Dependence on any substance other than marijuana, nicotine, or caffeine.
结局指标
主要结局
Primary outcome measures will be obtained from the auditory odd-ball task: differences while viewing the marijuana vs neutral video in reaction time (msec), errors of omission (%), and errors of commission (%).
时间窗: ~ 3 hours
次要结局
- Secondary measures include subjective (craving and stress), physiological (heart rate and skin conductance), and stress hormone level (cortisol) assessments.(~ 3 hours)