Rationale and objective Empirical studies indicate that nicotine enhances some aspects of
attention and cognition, suggesting a role in the maintenance of tobacco dependence. The …

Acetylcholine is a neurotransmitter and neuromodulator involved in a variety of cognitive
functions. Additionally, acetylcholine is involved in the regulation of REM sleep: cholinergic …

Rationale Nicotine has been shown to improve both memory and attention when assessed
through speeded motor responses. Since very few studies have assessed effects of nicotine …

The identification and characterization of drugs for the treatment of cognitive disorders has
been hampered by the absence of comprehensive hypotheses. Such hypotheses consist of …

The potential of putative cognitive-enhancing compounds to improve mental processing
both in healthy and vulnerable populations is an area of growing interest to scientific and …

Attentional impairments are found in a range of neurodegenerative and neuropsychiatric
disorders. However, the development of procognitive enhancers to alleviate these …

Background Caffeine and nicotine are commonly used stimulants that enhance alertness
and mood. Discontinuation of both stimulants is associated with withdrawal symptoms …

Rationale It is well established that nicotine improves, and deprivation impairs, cognitive
performance and mood in smokers. Prospective memory (PM), remembering to execute a …

Purpose Although smoking is known to cause various symptoms in multiple sclerosis (MS)
patients, there have been no reports regarding the relationship between smoking and …

Introduction Due to their stressful lives, Palestinian refugees are prone to use cognitive
enhancers (CE) and psychostimulant substances (PS). Recognising health problems …