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931.
Two experiments are reported which examined the influence of context on face recognition accuracy for novel and familiar faces respectively. Context was manipulated by varying the physical background against which the faces appeared. In Experiment I, 80 student subjects observed 18 faces before attempting to recognize them in a sequence of 36 al ternatives , For half the subj ects, the backgrounds changed from study to test, while for the remainder they stayed the same. In addition, for half the subjects, both the pose and expression of the face also changed, while for the others it remained constant. Changes in pose plus expression and context significantly reduced recognition accuracy for the target faces. Experiment 11 used an identical design, except that the faces of celebrities replaced the novel faces. The influence of context was eliminated but the effects of pose and expression were maintained. However, when only faces which were actually identified by subjects were considered, the effects of pose and expression, too, were eliminated. The significance of these findings for theories of contextual memory are discussed. 相似文献
932.
Digital filter techniques have been applied to the analysis of eye movement data. Methods were developed to calculate eye velocity and eye acceleration in real-time from an electronystag-mogram (ENG) signal that was recorded using a one-pole RC high-pass filter in the preamplifier. Nonrecursive, finite impulse-response digital filters were designed to remove the effects of the RC high-pass filter and calculate the first and second time derivatives of the ENG signal, as well as remove high-frequency noise. Applying these new techniques to the analysis of vestibular nystagmus enables estimation of the transfer characteristics of the vestibuloocular system. 相似文献
933.
Joseph C. Stevens 《Attention, perception & psychophysics》1982,31(6):577-580
The spatial acuity of the skin, as measured by two-point and two-edge limens, depends on the temperature of the objects that are touched. Cooling and warming the objects caused a marked improvement (an average of 41% in six subjects) in the skin’s acuity relative to thermally neutral stimulation. This improvement seems to be closely related to earlier observations that warm and cold objects placed on the skin feel heavier than do thermally neutral objects. 相似文献
934.
An attempt was made to combine the two information-theory based laws relating speed and accuracy, Hick's law and Fitts' law, in a task where subjects were asked to repetitively aim at randomly indicated alternative targets from a home position. 相似文献
935.
Stevens AA Donegan NH Anderson M Goldman-Rakic PS Wexler BE 《Journal of abnormal psychology》2000,109(3):461-471
The authors reported that a subgroup of schizophrenic patients performed well on a tone serial position task but was impaired on an auditory word serial position task (Wexler, Stevens, Bowers, Cerniak, & Goldman-Rakic, 1998). This study assessed 30 schizophrenic and 32 controls (matched for comparable tone discrimination) on 4 versions of the verbal serial position tasks and 2 tone serial position tasks. Patients performed poorly on all verbal tasks but performed comparably to controls when tones served as stimuli. Proactive interference and visual presentation further compounded the verbal deficits. Deficits persisted with pronounceable nonword stimuli. These findings provide evidence of specific deficits in language-related processing, although the authors could not rule out the possibility that the differential effects that were observed between the tone and word tasks, and particularly among the verbal tasks, may result from differing discriminating power of the different tests. 相似文献
936.
The current study examined the effects of validity-scale coaching on one's ability to feign general psychopathology. College students were coached on malingering strategies and completed the MMPI-2. Their responses were compared with students asked to malinger psychopathology without validity-scale coaching and with psychiatric inpatients completing the MMPI-2 under standard instructions. In accordance with previous research (e.g., J. R. Graham, D. Watts, & R. E. Timbrook, 1991), uncoached malingerers were adequately discriminated from patients by using the Infrequency (F) scale. However, as suggested by previous research (R. Rogers, R. M. Bagby, & D. Chakraborty, 1993), the F scale was not as effective at classifying coached malingerers. It was found that other validity indicators, such as the Infrequency Psychopathology Scale were more accurate at discriminating between coached malingerers and hospitalized patients. 相似文献
937.
938.
Allen Jill Brown Elizabeth R. Ginther Alexi Graham Jasmine Elise Mercurio Dominic Smith Jessi L. 《Social Psychology of Education》2021,24(4):939-964
Social Psychology of Education - There is no doubt that connections with other people motivate behavior; yet science is stereotyped as being lonely work devoid of communal connections. Drawing from... 相似文献
939.
Jacob A. Bentley Norah C. Feeny Michael L. Dolezal Alexandra Klein Libby H. Marks Belinda Graham Lori A. Zoellner 《Cognitive and behavioral practice》2021,28(2):167-192
Access to adequate, much less state-of-the-art, mental health care is a global problem. Natural disasters, civil war, and terrorist conflict have forcibly displaced millions of Muslims and have resulted in a remarkable level of individual and communitywide trauma exposure. As a result, many are at risk for posttraumatic stress and other trauma-related disorders. Many religiously oriented Muslims traditionally rely on Islamic principles and teachings, as well as their community, to cope with and address trauma-related distress. Islamic Trauma Healing is a six-session, lay-led group intervention developed within a Somali Muslim community that integrates evidence-based trauma-focused cognitive-behavioral therapy principles with cultural and religious practices aimed to enhance uptake and create an easily up-scalable intervention for a wide range of trauma. In sessions, narratives of prophets who have undergone trauma (e.g., Prophet Ayyub, faith during hard times) present Islamic principles and facilitate cognitive shifts. Group members spend individual time turning to Allah in dua (i.e., informal prayer), focused on exposure to trauma memories. Program themes arc across suffering to healing to growth following trauma. This paper describes the core theoretical principles and methods in the Islamic Trauma Healing program. We also describe leader perspectives and the program’s train-the-trainer model, in which lay leaders are trained to further disseminate the program and allow Islamic Trauma Healing to be owned and sustained by the Muslim community. 相似文献
940.