The effects of the amino acid tyrosine on cognitive task performance were studied on a group of 21 cadets during a demanding military combat training course.
Previous studies indicate that tyrosine may prove useful in promoting improved performance in situations in which performance is compromised by stress.
A food supplement, namely DMAE, that facilitates the induction of lucid dreams is discussed. Included is a brief consideration of the therapeutic potential of such dreams.
OBJECTIVES: To investigate the relationship between markers of vitamin B(12) status and brain volume loss per year over a 5-year period in an elderly population.
Abstract: Understanding how emotions can affect pleasure has important implications both for people and for firms' communication strategies. Prior research has shown that experienced pleasure often assimilates to the valence of one's active emotions, such that negative emotions decrease pleasure. In contrast, the authors demonstrate that the activation of guilt, a negative emotion, enhances the pleasure experienced from hedonic...
Abstract The divalent cation zinc is an essential element, having both universal and specified functions throughout the body. In the mammalian telencephalon, zinc has extensive effects on neurotransmission, affecting receptor function and second messenger systems. Through these means, it is often postulated that zinc has a fundamental role in regulating cortical synaptic function. Given that plasticity, that is, the...
Abstract In the development and testing of programs designed to improve complementary feeding globally, local nonfortified food-based solutions comprise an important strategy for the foreseeable future. These solutions are especially vital for the rural poor of less-developed countries. Zinc is notable among individual nutrients that have been designated as "problem" nutrients, adequate intake of which is difficult from complementary...
Abstract BACKGROUND: Attention-deficit hyperactivity disorder is an early-onset, clinically heterogenous disorder of inattention, hyperactivity, and impulsiveness. The diagnosis and treatment of attention-deficit hyperactivity disorder continues to raise controversy, and, there is also an increase in treatment options. In this 6-week double blind, placebo controlled-trial, we assessed the effects of zinc plus methylphenidate in the treatment of children with attention...
Abstract Zinc is a life-sustaining trace element, serving structural, catalytic, and regulatory roles in cellular biology. It is required for normal mammalian brain development and physiology, such that deficiency or excess of zinc has been shown to contribute to alterations in behavior, abnormal central nervous system development, and neurological disease. In this light, it is not surprising that zinc...
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