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from article Thirst and sodium appetite
Regulation of cellular water. ADH = antidiuretic hormone.
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Image
from article Thirst and sodium appetite
Hypovolemic thirst and sodium appetite are caused by altered sensory information from an underfilled circulation, reinforced by increases in circulating angiotensin II and mineralocorticoids. Angiotensin peptides generated from components of a…
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from article Speech
Human head and thorax. (Courtesy of G. E. Peterson)
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from article Speech
Action of the glottis during speech. (a) Six successive positions of the vocal folds in one vibration cycle at 120 Hz. (b) Relation between pitch and vocal fold tension. (Courtesy of D. W. Farnsworth)
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from article Speech
Sound spectrograms of the utterance “speech production.” (a) Energy patterns: A, pulse; B, periodic; C, aperiodic; and D, silence. (b) The dotted lines represent the pitch pattern of the utterance.
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from article Speech
Computer-generated three-dimensional spectral display of the spoken syllable “yah.”
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from article Speech
Speech flakes of vowels in the words (a) “far,” (b) “food,” and (c) “fee.” (Courtesy of Charles Wooters)
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from article Speech
Regions of the brain involved in speech. (a) Left hemisphere, usually more involved in speech functions than the right hemisphere. (b) A model for the neural processes involved in speaking a heard word. Arrows indicate the path of the relayed signal…
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from article Mental disorders
X-ray of a human brain (side view) against a black background. The image is transparent and detailed with soft blue swaps. (Credit: Brainmaster/Getty Images)
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from article Mental disorders
Colorized CT (computerizd tomography) scan of a healthy brain (view from above). The axial (horizontal) scan has revealed the head and brain in cross section. The front of the head is at the top. The ventricles (dark areas, center), which lie…
