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91.
Mark F. O'Reilly 《Journal of applied behavior analysis》1997,30(1):165-167
A functional analysis examined the consequences that maintained episodic self-injury and the relationship between those consequences and otitis media for a child with moderate developmental disabilities. Results indicated that self-injury occurred only during periods of otitis media. Otitis media may have served as an establishing operation related to escape from ambient noise. 相似文献
92.
Categorization of natural movements by pigeons: visual concept discrimination and biological motion 总被引:5,自引:2,他引:3 下载免费PDF全文
Dittrich W Lea S Barrett J Gurr P 《Journal of the experimental analysis of behavior》1998,70(3):281-299
In three experiments, pigeons were exposed to a discriminated autoshaping procedure in which categories of moving stimuli, presented on videotape, were differentially associated with reinforcement. All stimuli depicted pigeons making defined responses. In Experiment 1, one category consisted of several different scenes of pecking and the other consisted of scenes of walking, flying, head movements, or standing still. Four of the 4 birds for which pecking scenes were positive stimuli discriminated successfully, whereas only 1 of the 4 for which pecking was the negative category did so. In the pecking-positive group, there were differences between the pecking rates in the presence of the four negative actions, and these differences were consistent across subjects. In Experiment 2, only the categories of walking and pecking were used; some but not all birds learned this discrimination, whichever category was positive, and these birds showed some transfer to new stimuli in which the same movements were represented only by a small number of point lights (Johansson's “biological motion” displays). In Experiment 3, discriminations between pecking and walking movement categories using point-light displays were trained. Four of the 8 birds discriminated successfully, but transfer to fully detailed displays could not be demonstrated. Pseudoconcept control groups, in which scenes from the same categories of motion were used in both the positive and negative stimulus sets, were used in Experiments 1 and 3. None of the 8 pigeons trained under these conditions showed discriminative responding. The results suggest that pigeons can respond differentially to moving stimuli on the basis of movement cues alone. 相似文献
93.
E. Eliot Benezra 《International journal of stress management》1996,3(3):147-153
This is a study of the personality resources that enable certain individuals to cope successfully with traumatic experiences without planned psychotherapeutic intervention. A survey of 40 trauma-surviving respondents reveals some common positive developmental and psychosocial factors. Also, five cases are described who experienced serious trauma, three of them living successful lives and two remaining disabled. The biological predisposition and the specific interaction of ones nature and nurture leading toward resolution of traumatic experiences are discussed. Individuals who have survived Posttraumatic Stress Disorder should be studied further within a psychobiological framework. 相似文献
94.
The effects of a common multiple vitamin on the pica of a child with severe mental retardation and anemia were evaluated. A BAB design revealed that pica was decreased by the vitamin. The results suggest that pica can be effectively treated by implementation of a simple nutritional or biological intervention. Further research investigating the generality of this finding and the effects of combining biological and behavioral interventions are discussed. 相似文献
95.
NaomiZack Zack 《The Journal of Ethics》2003,7(1):139-151
Positive law and problems with identifyingbeneficiaries confine reparations for U.S.slavery to the level of discourse. Within thediscourse, the broader topic of rectificationcan be addressed. The rectification of slaveryincludes restoring full humanity to our ideasof the slaves and their descendants and itrequires disabuse of the false biological ideaof race. This is not racial eliminativism,because biological race never existed, but moreimportantly because African American racialidentities and redress of present racism arebased on lifeworlds of race in contrast withwhich the biological idea has been an externalimposition. 相似文献
96.
Cheryl A. Moyer Robert J. Fontana Khozema Hussain Anna S. F. Lok Steven Schwartz 《Journal of clinical psychology in medical settings》2003,10(1):41-49
One hundred and twenty three outpatients with compensated chronic hepatitis C (CHC) completed the SF-36, BSI, and questions regarding the expected impact of CHC on their health. Respondents were categorized as optimists (N = 17, 13.8%), realists (N = 98, 79.6%), and pessimists (N = 8, 6.5%). Pessimism was associated with lower scores on nearly all SF-36 subscales (p < .001 –.03) and higher scores on 6 BSI subscales indicative of greater emotional distress (p < .05). Pessimism was not associated with demographics, liver disease severity, substance abuse, or comorbid medical conditions. However, pessimism was associated with the presence of a psychiatric comorbidity and self-reported health status (p < .05). We conclude that optimism/pessimism may be an important determinant of QOL and emotional status in CHC patients and that additional studies of cognitive predispositions and coping skills in CHC patients are warranted. 相似文献
97.
98.
学前儿童倾向于采用活力因果机制,即用生命力的交换和获取来解释与机体有关的生命现象.活力因果解释介于意图因果解释和机制因果解释之间,被认为是专属于生物领域的一种因果认知机制,它的提出为存在独立的朴素生物学理论提供了强有力的证据.4到6岁是活力机制发展的关键时期.同时,在年长儿童和成人对机体生命现象的认识中,这一机制继续发挥着作用,并不会随着儿童年龄的增长被其它因果机制完全取代.探讨可能导致活力因果机制发展差异性的影响因素以及它与其它因果机制的共同作用将是未来研究的方向. 相似文献
99.
生物运动加工特异性:整体结构和局部运动的作用 总被引:1,自引:0,他引:1
人类具有很强的识别生物体运动信息的能力, 甚至当运动信息仅是由附着在头部和一些重要关节上的光点的运动组成时, 观察者对该信息检测和编码的优势依然存在。光点生物运动信息包含整体信息(如整体形状)和局部信息(如各个点的运动轨迹)。先前的绝大部分研究强调整体形状在生物运动知觉中的作用。最近有研究表明去除了整体结构信息的局部生物运动仍然存在加工优势, 揭示了局部生物运动本身可能包含了一些特异性信息。因此生物运动知觉并非单一现象, 而是一种具有不同加工机制(基于整体结构和基于局部运动)的多水平现象。 相似文献
100.
Jessica P. Uy Diane Goldenberg Sarah M. Tashjian Kathy T. Do Adriana Galvn 《Developmental science》2019,22(6)
Biologically embedded experiences alter developmental trajectories in ways that can influence health, learning, and/or behavior. These systematic differences in experiences may contribute to different biological outcomes as individuals grow and develop, including at the neural level. Previous studies of biologically embedded experiences on neurodevelopment have focused on large‐scale institutional or economic factors (e.g. socioeconomic status [SES]) and psychosocial factors (e.g. caregiving behavior). Less attention has focused on how the quality of the immediate home settings, such as the physical home environment (PHYS), influences neurodevelopment. Moreover, no study has investigated these effects in adolescents, who undergo significant physical maturation and neurodevelopment that may influence how they respond to their physical environments. The goal of the current study was to examine whether PHYS quality is biologically embedded in the developing adolescent brain as evidenced by cognitive achievement and cortical development in 56 (48% female) healthy adolescents (14–18 years (M = 16.83 years, SD = 1.17). Using in‐home assessments of the physical home environment, anatomical brain scans, and indices of academic achievement, we found that adolescents who have more physical problems in the home (e.g. structural hazards, crowding, excessive noise, poorly lit) have thinner prefrontal cortices, which was associated with lower levels of reading achievement, independent of SES and psychosocial factors. By conducting home visits to assess physical characteristics of adolescents’ home, we highlight a typically overlooked aspect of the home environment that has relevance for adolescents’ cognitive and brain development. 相似文献