• Publications
  • Influence
Smokers of low-yield cigarettes do not consume less nicotine.
Advertisements suggest that smokers of cigarettes low in nicotine are exposed to less nicotine and tar. Nicotine yields are measured with smoking machines, but machines do not smoke cigarettes asExpand
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Changes in mood, craving, and sleep during short-term abstinence reported by male cocaine addicts. A controlled, residential study.
We examined changes over 28 days in mood states, craving for cocaine, and sleep during short-term abstinence reported by 12 male, predominantly intravenous-using, cocaine-addicted subjects residingExpand
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On the influence of task relevance and stimulus probability on event-related-potential components.
Fifteen subjects were presented with series of tones. Any one tone was either loud or soft, and in any one series the probability of one tone intensity was either 0.9 or 0.1. Subjects were instructedExpand
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Clinical Relevance of Cannabis Tolerance and Dependence
Abstract: Psychoactive drugs are often widely used before tolerance and dependence is fully appreciated. Tolerance to cannabis‐induced cardiovascular and autonomic changes, decreased intraocularExpand
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Cocaine increases EEG beta: a replication and extension of Hans Berger's historic experiments.
The effects of cocaine by two routes of administration were studied on the resting, awake human EEG during a 2 min sequential subtraction task. Fifty subjects were given 1 of 3 intravenous cocaineExpand
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EEG changes during tobacco withdrawal.
Tobacco smoking decreases theta and alpha power and increases the dominant alpha frequency in smokers deprived of cigarettes for 10-17 hrs. The slow alpha frequency in deprived smokers has beenExpand
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Caffeine withdrawal increases cerebral blood flow velocity and alters quantitative electroencephalography (EEG) activity
Abstract Rationale: Cessation of daily caffeine consumption produces a withdrawal syndrome comprised of subjective symptoms and functional impairment. Few controlled studies have examined theExpand
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How a cigarette is smoked determines blood nicotine levels
Indirect evidence suggests that smoking low‐tar and nicotine cigarettes does not necessarily reduce exposure to these substances. Puff volume, duration and number, interpuff interval, and volume andExpand
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Cocaine-Induced Increases in EEG Alpha and Beta Activity: Evidence for Reduced Cortical Processing
To understand the effects of cocaine on the cerebral cortex, 14 male polydrug abusers were enrolled in a study on the effects of cocaine on the electroencephalogram (EEG). The experimental treatmentsExpand
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EEG and brainstem auditory evoked response potentials in adult male drug abusers with self-reported histories of aggressive behavior
Auditory brainstem evoked response (BAER) and spontaneous electroencephalogram (EEG) were measured in 124 adult male drug abusers. We examined the relationships among psychiatric diagnoses, paper andExpand
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