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The dynamic limitations of eye movement recorders can distort the measurement of fast eye movements such as saccades and nystagmic quick phases. In this paper, the effects of the bandwidth and noise of recording methods and the problems incurred by digital sampling are discussed theoretically with respect to the measurement of peak velocity and duration of fast eye movements. As a practical example, a TV-based infrared corneal reflex system is examined and a method for calibrating it for peak velocity measurement is described. 相似文献
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Israel AC 《Journal of applied behavior analysis》1978,11(2):271-276
Recent research on verbal-nonverbal correspondence is evaluated, and conceptual, methodological, and applied issues regarding correspondence are addressed. Directions for research concerning the correspondence training procedure and extended applications are suggested. 相似文献
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Arash Javanbakht Elizabeth R. Duval Maria E. Cisneros Stephan F. Taylor Daniel Kessler Israel Liberzon 《Cognition & emotion》2017,31(5):980-987
The effects of instruction on learning of fear and safety are rarely studied. We aimed to examine the effects of cognitive information and experience on fear learning. Fourty healthy participants, randomly assigned to three groups, went through fear conditioning, extinction learning, and extinction recall with two conditioned stimuli (CS+). Information was presented about the presence or absence of conditioned stimulus–unconditioned stimulus (CS–US) contingency at different stages of the experiment. Information about the CS–US contingency prior to fear conditioning enhanced fear response and reduced extinction recall. Information about the absence of CS–US contingency promoted extinction learning and recall, while omission of this information prior to recall resulted in fear renewal. These findings indicate that contingency information can facilitate fear expression during fear learning, and can facilitate extinction learning and recall. Information seems to function as an element of the larger context in which conditioning occurs. 相似文献
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