منابع مشابه
A BOLD window into brain waves.
T he brain is never inactive. Neurons fire at leisurely rates most of the time, even in sleep (1), although occasionally they fire more intensely, for example, when presented with certain stimuli. Coordinated changes in the activity and excitability of many neurons underlie spontaneous fluctuations in the electroencephalogram (EEG), first observed almost a century ago. These fluctuations can be...
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Abstract These days the use of portfolio assessment is very popular. If it is believed that students at all levels should be doing more than studying for tests; teachers should be doing more than teaching to tests; students should take a more active role in the learning process; and, then the portfolio assessment is an idea worth exploring.. The aim of this study was to introduce portfolio asse...
متن کاملPortfolio Assessment as a Window into Reading Development
Abstract These days the use of portfolio assessment is very popular. If it is believed that students at all levels should be doing more than studying for tests; teachers should be doing more than teaching to tests; students should take a more active role in the learning process; and, then the portfolio assessment is an idea worth exploring.. The aim of this study was to introduce portfolio asse...
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The development of the mammalian cerebral cortex involves a series of mechanisms: from patterning, progenitor cell proliferation and differentiation, to neuronal migration. Many factors influence the development of the cerebral cortex to its normal size and neuronal composition. Of these, the mechanisms that influence the proliferation and differentiation of neural progenitor cells are of parti...
متن کاملA window into the brain mechanisms associated with noise sensitivity
Noise sensitive individuals are more likely to experience negative emotions from unwanted sounds and they show greater susceptibility to adverse effects of noise on health. Noise sensitivity does not originate from dysfunctions of the peripheral auditory system, and it is thus far unknown whether and how it relates to abnormalities of auditory processing in the central nervous system. We conduc...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2008
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.0808310105