29 DEC 2013 by ideonexus

 Chemical Cognitive Enhancers

Pharmaceutical amphetamines (such as Adderall and Ritalin) These drugs have been used withouit a prescription, for their tirednessreducing and concentration-enhancing effects, by about 5% of students in U.S. colleges, according to a recent study, with some colleges reporting rates as high as 25%. Modafinil Modafinil is a nonamphetamine stimulant, marketed to help people with narcolepsy stay awake. It has been reported as popular with otherwise healthy individuals who are using it to mai...
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Drugs to improve cognition.

26 JUN 2012 by ideonexus

 Cognitive Rigidity

Experience may blind us from recognizing obvious solutions to problems. Research shows that physicians and health care professionals are likely to overlook the correct diagnosis in cases which do not match their experience [1]. Similar findings have been reported concerning difficulties in reframing clinical situations as experienced by healthcare professionals [2], [3], and difficulties of managers and decision makers in replacing existing procedures with new, improved and simpler ones [4]. ...
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When experience blinds us to possibilities it hurts our professional abilities and can even lead to cognitive pathologies.

04 MAY 2011 by ideonexus

 Hormones on the Brain

At school, boys are fidgety, difficult, inattentive, and slow to learn, compared to girls. Nineteen out of every twenty hyperactive children are boys. Four times as many boys as girls are dyslexic and learning disabled. "Education is almost a conspiracy against the aptitudes and inclinations of a schoolboy," wrote psychologist Dianne McGuiness, a sentiment to which almost every man with a memory of school will raise a hearty cry of assent. But another fact begins to emerge at school. Girls a...
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How hormones affect learning in school children.