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21.
In previous research, replicated here, we found that some object recognition processes influence figure-ground organization. We have proposed that these object recognition processes operate on edges (or contours)detected early in visual processing, rather than on regions. Consistent with this proposal, influences from object recognition on figure-ground organization were previously observed in both pictures and stereograms depicting regions of different luminance, but not in randomdot stereograms, where edges arise late in processing (Peterson & Gibson, 1993). In the present experiments, we examined whether or not two other types of contours—outlines and subjective contours—enable object recognition influences on figure-ground organization. For both types of contours we observed a pattern of effects similar to that originally obtained with luminance edges. The results of these experiments are valuable for distinguishing between alternative views of the mechanisms mediating object recognition influences on figure-ground organization. In addition, in both Experiments 1 and 2, fixated regions were seen as figure longer than nonfixated regions, suggesting that fixation location must be included among the variables relevant to figure-ground organization. 相似文献
22.
Robert T. Carter Adeyinka M. Akinsulure-Smith 《Journal of multicultural counseling and development》1996,24(4):218-228
Although there have been several studies that have explored people's expectations about counseling, to date there has been no such exploration from a racial-cultural perspective. This study sought to explore the relationship between White racial identity attitudes and expectations about counseling. Although the results showed that men and women differ in their expectations about counseling and in their levels of White racial identity attitudes, the findings of the study indicated that there was no significant relationship between White racial identity attitudes and counseling expectations. The results of the study are examined in relation to previous findings in the field and directions for future study are considered. 相似文献
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H.B. Gibson 《Behaviour research and therapy》1978,16(3):191-195
Certain of the states commonly diagnosed by psychiatrists as “affective disorder” do not respond favourably to the usual treatments prescribed, and it is argued by Lum (1976) that such states are not appropriately labelled, as they are primarily due to the somatic condition of hypocapnoea—an abnormally low level of arterial carbon dioxide. This condition is well-recognized and can be diagnosed by appropriate physiological investigation. Hypocapnoea seriously affects various somatic systems, and if the patient later experiences affective distress it is a secondary symptom due to a vicious circle mediated by autonomic responses. The treatment of choice is a form of behaviour therapy aimed at altering the breathing response in the direction of building up toleration of a higher habitual level of arterial carbon dioxide. Existing work by behaviour therapists and others on the physiological and behavioural responses to varying levels of arterial carbon dioxide is cited, and the rationale of symptomatic treatment is discussed. Current treatment methods for hypocapnoea, although behaviourally oriented, are not closely in accord with the principles of modern behaviour therapy, and this paper suggests some directions of improvement. 相似文献
26.
David S. Carter 《Behavior research methods》1980,12(1):38-41
A new method for the analysis of complex avian song repertoires is introduced. The method consists of sending a tape-recorded bird-song signal through five narrow band-pass filters and then to a five-channel high-speed pen recorder. A coding method that allows a researcher to convert the output from the pen recorder to numbers for later analysis by computer is described. 相似文献
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Terrill L. Gibson 《Journal of religion and health》1981,20(4):288-298
The physical body is explored as a metaphor of transformation and healing in pastoral psychotherapy. Three sections of the paper outline 1) the perception of the body as a point of critical clinical intervention, 2) the understanding of body as a living image of soul, and 3) the body as corporal participant in the mystical Body of Christ. Primary concern focuses on correcting possible misperceptions (among both secular and pastoral bodyists) of bodily dysfunction as retribution for sinful existence rather than, more biblically, as signaling an opportunity for the inrushing of healing, divine grace. A brief clinical example highlights some possible theoretical and methodological consequences of this clinical world view.Terrill L. Gibson, Ph.D., is a Director of the Christian Counseling Service in Tacoma, Washington, where he serves as Minister of Finance and Education. 相似文献
28.
D LaBerge V Brown M Carter D Bash A Hartley 《Journal of experimental psychology. Human perception and performance》1991,17(1):65-76
Three experiments explored the gradual narrowing of visual attention to a letter target when other letters were positioned close by. The method by which attention was narrowed involved presenting a digit target immediately prior to the latter target and in the same location for progressively shorter durations and requiring the subject to identify both the digit target and the letter target before responding. The response time data from the first 2 experiments indicated that shorter durations of the digit reduced the amount of information processed from noise letters positioned on either side of the letter target. In the third experiment, in which separation of letters was increased slightly, the response times indicated that the information from flanking noise letters may have been virtually eliminated. 相似文献
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Rachel Woodford Matthew J. Spittal Allison Milner Katie McGill Navneet Kapur Jane Pirkis Alex Mitchell Gregory Carter 《Suicide & life-threatening behavior》2019,49(1):23-40
Assessment of a patient after hospital‐treated self‐harm or psychiatric hospitalization often includes a risk assessment, resulting in a classification of high risk versus low risk for a future episode of self‐harm. Through systematic review and a series of meta‐analyses looking at unassisted clinician risk classification (eight studies; N = 22,499), we found pooled estimates for sensitivity 0.31 (95% CI: 0.18–0.50), specificity 0.85 (0.75–0.92), positive predictive value 0.22 (0.21–0.23), and negative predictive value 0.89 (0.86–0.92). Clinician classification was too inaccurate to be clinically useful. After‐care should therefore be allocated on the basis of a needs rather than risk assessment. 相似文献