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Cowings PS Kellar MA Folen RA Toscano WB Burge JD 《The International journal of aviation psychology》2001,11(3):303-315
Studies have shown that autonomous mode behavior is one cause of aircraft fatalities due to pilot error. In such cases, the pilot is in a high state of psychological and physiological arousal and tends to focus on one problem, while ignoring more critical information. This study examined the effect of training in physiological self-recognition and regulation, as a means of improving crew cockpit performance. Seventeen pilots were assigned to the treatment and control groups matched for accumulated flight hours. The treatment group contained 4 pilots from HC-130 Hercules aircraft and 4 HH-65 Dolphin helicopter pilots; the control group contained 3 pilots of HC-130s and 6 helicopter pilots. During an initial flight, physiological data were recorded on each crewmember and an instructor pilot rated individual crew performance. Eight crewmembers were then taught to regulate their own physiological response levels using Autogenic-Feedback Training Exercise (AFTE). The remaining participants received no training. During a second flight, treatment participants showed significant improvement in performance (rated by the same instructor pilot as in pretests) while controls did not improve. The results indicate that AFTE management of high states of physiological arousal may improve pilot performance during emergency flying conditions. 相似文献
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Speech sounds are highly variable, yet listeners readily extract information from them and transform continuous acoustic signals into meaningful categories during language comprehension. A central question is whether perceptual encoding captures acoustic detail in a one-to-one fashion or whether it is affected by phonological categories. We addressed this question in an event-related potential (ERP) experiment in which listeners categorized spoken words that varied along a continuous acoustic dimension (voice-onset time, or VOT) in an auditory oddball task. We found that VOT effects were present through a late stage of perceptual processing (N1 component, ~100 ms poststimulus) and were independent of categorization. In addition, effects of within-category differences in VOT were present at a postperceptual categorization stage (P3 component, ~450 ms poststimulus). Thus, at perceptual levels, acoustic information is encoded continuously, independently of phonological information. Further, at phonological levels, fine-grained acoustic differences are preserved along with category information. 相似文献
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Joanne Armstrong Michele Toscano Nancy Kotchko Sue Friedman Marc D. Schwartz Katherine S. Virgo Kristian Lynch James E. Andrews Claudia X. Aguado Loi Joseph E. Bauer Carolina Casares Rachel Threet Teten Matthew R. Kondoff Ashley D. Molina Mehrnaz Abdollahian Lana Brand Gregory S. Walker Rebecca Sutphen 《Journal of genetic counseling》2015,24(1):18-28
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Daniel F. Connor Leonard A. Doerfler Peter F. Toscano Jr. Adam M. Volungis Ronald J. Steingard 《Journal of child and family studies》2004,13(4):497-510
Studies of youths in residential treatment that utilize systematic assessments and validated measures are rare. We examined psychopathology, family characteristics, occurrence of physical or sexual abuse, types of aggressive behavior, hyperactive/impulsive behavior, medical and neurological problems, and self-reported drug and alcohol use in 397 youth who were assessed using reliable measures and consecutively treated in a residential treatment center. Results indicate high rates of internalizing and externalizing psychopathology, aggressive behavior, and consistent gender differences, with girls having higher levels of internalizing and externalizing psychopathology and aggressive behavior. The sample was characterized by high rates of medical problems including asthma, seizures, and obesity, as well as evidence of extensive family dysfunction, including high rates of parental alcohol use, violence, and physical or sexual abuse. Residential treatment needs to progress beyond the one size fits all approach and develop more specific and empirically proven treatments for the specific needs of this population. 相似文献
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Applied Research in Quality of Life - Concentrating on South America, we may assert that this region has been both object and producer of studies on quality of life, on the basis of research papers... 相似文献
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This article examines individuals' expectations in a social hypothesis testing task. Participants selected questions from a list to investigate the presence of personality traits in a target individual. They also identified the responses that they expected to receive and the likelihood of the expected responses. The results of two studies indicated that when people asked questions inquiring about the hypothesized traits that did not entail strong a priori beliefs, they expected to find evidence confirming the hypothesis under investigation. These confirming expectations were more pronounced for symmetric questions, in which the diagnosticity and frequency of the expected evidence did not conflict. When the search for information was asymmetric, confirming expectations were diminished, likely as a consequence of either the rareness or low diagnosticity of the hypothesis-confirming outcome. We also discuss the implications of these findings for confirmation bias. 相似文献
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Listeners are able to accurately recognize speech despite variation in acoustic cues across contexts, such as different speaking rates. Previous work has suggested that listeners use rate information (indicated by vowel length; VL) to modify their use of context-dependent acoustic cues, like voice-onset time (VOT), a primary cue to voicing. We present several experiments and simulations that offer an alternative explanation: that listeners treat VL as a phonetic cue rather than as an indicator of speaking rate, and that they rely on general cue-integration principles to combine information from VOT and VL. We demonstrate that listeners use the two cues independently, that VL is used in both naturally produced and synthetic speech, and that the effects of stimulus naturalness can be explained by a cue-integration model. Together, these results suggest that listeners do not interpret VOT relative to rate information provided by VL and that the effects of speaking rate can be explained by more general cue-integration principles. 相似文献
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Characteristics of Personal Networks Associated with Physical and Psychological Quality of Life Among Demobilized Individuals from the Colombian Armed Conflict
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José Juan Amar‐Amar Raimundo Abello‐LLanos Camilo Madariaga‐Orozco José Ávila‐Toscano 《Journal of community & applied social psychology》2014,24(3):173-190
The study identifies relationships between the characteristics of personal networks of demobilized individuals and their quality of life, through the evaluation of a sample of 102 ex‐combatants from a demilitarized zone in Colombia's Caribbean coast. The data was processed using centrality values calculation and statistical analysis through the Pearson correlation coefficient. Results showed moderate levels of nodality, proximity and intermediation degrees regarding small, closed networks with an unsatisfied high demand for support resources. Quality of life showed medium performance levels, with inverse relationships between mental health (p = .009 < .05) and vitality (p = .011 < .05) and intermediation. Positive feedback related significantly to general health (p = .041 < .05), while negative interactions showed inverse relationships to physical functioning (p = .012 < .05), physical role (p = .005), mental health (p = .001 < .05), and emotional role (p = .009 < .05). In conclusion, among the highly cohesive personal networks, there were less observations of social support that fosters increased energy and psychological health, given that access to this support is limited to a small number of members of the personal network. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献