منابع مشابه
Art.-Schultz (F)
Current theories view learning as the acquisition of specific predictions1–4. Humans and animals learn to predict the outcomes of their behavior, including rewards. Learning depends on the extent to which these outcomes are different than predicted, being governed by the discrepancy or ‘error’ between outcome and prediction. Outcomes that affect learning in this way are termed ‘reinforcers’. Le...
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The concept of wave propagation and the interaction of waves with matter is pivotal in many fields of physics and engineering (e. g. radio transmission, optics, sound propagation, transmission of information in waveguides...). Therefore wave propagation plays a central role in teaching physics, electrical engineering, information technology etc. from the undergraduate level (undergratuate engin...
متن کاملPhysician recruitment after Hermann Hospital.
The state of physician recruitment changed after the Internal Revenue Service required Hermann Hospital to publish its closing agreement with the IRS. The closing agreement released the long-awaited IRS "Hospital Physician Recruitment Guidelines." The IRS' recently proposed revenue ruling provides additional insight on acceptable physician recruitment practices as well.
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Tricine–SDS-PAGE is commonly used to separate proteins in the mass range 1–100 kDa. It is the preferred electrophoretic system for the resolution of proteins smaller than 30 kDa. The concentrations of acrylamide used in the gels are lower than in other electrophoretic systems. These lower concentrations facilitate electroblotting, which is particularly crucial for hydrophobic proteins. Tricine–...
متن کاملThe Hermann grid illusion revisited.
The Hermann grid illusion consists of smudges perceived at the intersections of a white grid presented on a black background. In 1960 the effect was first explained by a theory advanced by Baumgartner suggesting the illusory effect is due to differences in the discharge characteristics of retinal ganglion cells when their receptive fields fall along the intersections versus when they fall along...
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ژورنال
عنوان ژورنال: The Expository Times
سال: 1903
ISSN: 0014-5246,1745-5308
DOI: 10.1177/001452460301401002