Search Essays

…with a larger more robust size. This is due in part because of the increased brain size, but also because of the larger body size . Resulting from the large size, the cranium of the Homo erectus was the very large brow ridges and the projecting nuchal tarus…

…as an evil's work, results from some errors of the neural transmission in the brain during REM sleep (1). During a frightening state of Sleep Paralysis, one experiences total body immobility and cannot speak or move besides little eye movements and respiration (2, 3…

…brain disorder. People with epilepsy have been feared and isolated by society throughout history. Ancient Greeks thought people with epilepsy had mystical powers. Romans treated people with epilepsy as lepers and outcasts. Other theorists believed that those…

…What is Alzheimer’s Disease Alzheimer's Disease Fact Sheet Introduction Alzheimer's disease (AD) is the most common cause of dementia in older people. A dementia is a medical condition that disrupts the way the brain works. AD affects the parts…

…, but has a physiological underpinning. In short, you low pain tolerance may have your genes to blame. In a person's brain, the is a part called the Catechol-O- Methyl Transferese, called COMT for short. In here, the is a polymorphism called the val158met gene…

…this article I was truly astounded to see how much information about the brain that we already know, and yet how much we don’t know. The article I choose to write about is entitled, The Cerebellum contributes to higher functions during development – Evidence from…

…form of brain surgery known to man: it is called trepanning (from Greek trupanon, borer) or trephining (Sabbatini, 1997)”. This perhaps was the first idea that man can be cured of mental illness by biological exploration. Thousands of years later…

…Phrenology Phrenology is basically the study of personality through the study of the shape of the skull. The basis of this theory is that the brain conforms to the shape of the head and its contours. This pseudoscience says that because we have…

…, which are drugs that act on the central nervous system and increase brain activity. Hallucinogens are drugs which act on the mind, distorting the what users see and hear things. Depressants are drugs which also act on the central nervous system…

…helped lower death rates from heart disease, stroke, accidents, etc. The nervous system is a network of neurons (nerve cells) that that sends information to the brain to be analyzed. Neurons live both in and outside the central nervous system. Understanding…