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SCARS THAT WON’T HEAL: THE NEUROBIOLOGY OF CHILD ABUSE By Martin H. Teicher 68 In 1994 Boston police were shocked to discover a malnourished four-year-old locked away in a filthy Roxbury apartment‚ where he lived in dreadfully squalid conditions. Worse‚ the boy’s tiny hands were found to have been horrendously burned. It emerged that his drug-abusing mother had held the child’s hands under a steaming-hot faucet to punish him for eating her boyfriend’s food‚ despite her instructions
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Sleeping: Sleeping is associated with a state of muscle relaxation and limited perception of environmental stimuli. Sleep is a naturally recurring state characterized by reduced or absent consciousness‚ relatively suspended sensory activity‚ and inactivity of nearly all voluntary muscles. It is distinguished from wakefulness by a decreased ability to react to stimuli‚ and is more easily reversible than being in hibernation or a coma. Sleep is a heightened anabolic state‚ accentuating the growth
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Sweden-based Nordic Society for Invention and Discovery (NSID)‚ the No More Woof is a lightweight headset‚ sized for dogs‚ with sensors that can record electroencephalogram (EEG) readings. The EEG readings are then analyzed by a Raspberry Pi microcomputer‚ which will‚ according to NSID‚ be programmed to translate those EEG readings into simple phrases like‚ "I’m hungry‚" or "Who is that person?" Once translated‚ those phrases will be reported over a small speaker. Paging Dr. Doolittle If
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Estimated Number of Animal and Plant Species on Earth Believe it or not‚ there are about 950‚000 species of insects No one knows for sure how many species of animals exist on Earth. In fact‚ some 10‚000 species of animals are discovered each year‚ with over one and a half million species already described. Projections for the total number of species on Earth range from 2 million to 50 million. Animal group Number of species Vertebrates Amphibians 6‚199 Birds 9‚956 Fish 30‚000 Mammals
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involves the use of certain equipment which allows the polysomnographist to measure natural body functions such as brain waves‚ muscle tension‚ air flow‚ oxygen saturation‚ breathing effort‚ as well as heart rate and rhythm. Electrocorticography (EEG) is a technique which records cortical electrical potentials directly from the brain‚ which serves to pinpoint physiologic changes in
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Stages of Sleep The EEG (Electroencephalogram)of a waking person is clearly different than that of a sleeping person. The difference in EEG patterns that occur during sleep has made it possible to divide sleep into five different stages. Stage One We experience stage one of sleep when we are half asleep and half awake; our eyelids feel heavy‚ we feel groggy and suddenly without notice we fall asleep. Stage one counts for more or less 5% our total sleep during the night. Stage
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sleep. When electrodes are attached to the face and scalp of sleepers‚ different patterns are produced on the graphic record called the electroencephalogram or EEG. The patterns vary in frequency and amplitude of the waves shown on the EEG. These waves reflect patterns of brain activity. It was discovered that the patterns on the EEG change throughout the night to correspond to various stages of sleep. Wakefulness is characterized by beta waves and relaxation is characterized by
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determined by the interaction of a homeostatic and a circadian process. The original qualitative model was elaborated to quantitative versions that included the ultradian dynamics of sleep in relation to the non rem-rem sleep cycle. The time course of eeg slow wave activity is the major marker of non rem sleep homeostasis as well as daytime alertness were simulated successfully for a considerable number of experimental protocols. They
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current applications‚ ethical dilemmas‚ and the scientific authenticity regarding neuromarketing firms. Currently the top three non-invasive neuromarketing methods to measure physiological responses to advertising stimuli include electroencephalography (EEG)‚ magneto encephalography (MEG)‚ and functional magnetic resonance imaging (fMRI). Current neuromarketing applications are being used by businesses‚ entertainment‚ architecture‚ and politics. Mainline Marketing: The Future of Neuromarketing Neuromarketing
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