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141.
Emotional reactivity and regulation behaviors were compared in infants born extremely low gestational age (ELGA) and very low gestational age (VLGA) during the still-face procedure. Infants born ELGA demonstrated greater emotional reactivity and displayed less frequent gaze avoidance, more frequent gestures, and more self-comforting behaviors. 相似文献
142.
Rats were selected on the basis of reactivity to dorsal tactile stimulation and then tested in a resident-intruder paradigm. While reactivity of residents did not influence the occurrence of agonistic behaviors or wounding of residents and intruders, reactivity of intruders did affect offensive and defensive patterns of interactions and the wounds sustained by residents and intruders. Subsequent to resident-intruder testing, rats were tested for shock-induced aggression. The pattern of the results and the results of additional experiments demonstrated that resident-intruder experience could affect subsequent shock-induced aggressive behavior. 相似文献
143.
Marguerite Vergnes 《Aggressive behavior》1978,4(3):207-218
Large depletion of brain 5 HT has been shown to induce mouse-killing behavior in the rat. Selective lesions of the raphe nuclei have been investigated in order to determine whether the various components of the 5 HT system exert some specific control over this aggressive behavior. Electrolytic lesions of the dorsal or the median raphe nucleus do not induce mouse killing, whereas combined lesions of these nuclei elicit this behavior in about 40% of naive rats. Consequently, it appears that serotonergic neurons originating in the dorsal and median raphe nuclei work synergistically in mediating inhibitory control over mouse-killing behavior. Loco-motor activity is increased in novel environments by each of the selective lesions and to a larger extent by combined raphe lesions; 24 hours activity in resting conditions is unchanged during the light period, and increased during the dark period of the daily cycle by the various lesions. As it has been shown previously that hyper-activity in response to novelty following raphe lesions is not directly related to the 5 HT decrease in the brain, it appears that interspecific aggression and motor responsiveness must not be dependent on the same neural substrate within the raphe nuclei. The raphe lesions do not facilitate the elicitation of mouse killing by further olfactory bulb ablations, in contrast to earlier results where bulbectomy facilitated the induction of this behavior by raphe lesions. 相似文献
144.
145.
Tanya R. Jonker Paul Seli James Allan Cheyne Daniel Smilek 《Consciousness and cognition》2013,22(4):1468-1476
Although there has been considerable interest in the effects of errors on subsequent performance, relatively few studies have considered the effects of non-error events that contain some performance-relevant information, such as correct performance on critical trials. In the present article, we propose and assess a hypothesis of performance reactivity. In support of this hypothesis, we provide evidence of performance decrements following both incorrect and correct responses but not following performance-irrelevant events. More specifically, in a continuous response task (Sustained Attention to Response Task), we (1) replicate previous findings that errors of commission on rare NOGO trials produce decrements in subsequent performance, and (2) observe that correct withholds to NOGO trials produce decrements in subsequent accuracy relative to task-irrelevant tones. These results corroborate a hypothesis that some error-related effects on subsequent performance are not unique, but are instead a particularly salient version of a more general performance-reactivity effect. 相似文献
146.
《Quarterly journal of experimental psychology (2006)》2013,66(3):508-524
Mistakes in skilled performance are often observed to be slower than correct actions. This error slowing has been associated with cognitive control processes involved in performance monitoring and error detection. A limited literature on skilled actions, however, suggests that preerror actions may also be slower than accurate actions. This contrasts with findings from unskilled, discrete trial tasks, where preerror performance is usually faster than accurate performance. We tested 3 predictions about error-related behavioural changes in continuous typing performance. We asked participants to type 100 sentences without visual feedback. We found that (a) performance before errors was no different in speed than that before correct key-presses, (b) error and posterror key-presses were slower than matched correct key-presses, and (c) errors were preceded by greater variability in speed than were matched correct key-presses. Our results suggest that errors are preceded by a behavioural signature, which may indicate breakdown of fluid cognition, and that the effects of error detection on performance (error and posterror slowing) can be dissociated from breakdown effects (preerror increase in variability). 相似文献
147.
Matthew Fuller-Tyszkiewicz Helen Skouteris Ben Richardson Jed Blore Millicent Holmes Jacqueline Mills 《Body image》2013,10(4):607-613
Despite growing popularity of experience sampling methodology (ESM) for evaluations of state-based components of body image, there have been concerns that the frequent repeated measurement might encourage problematic responding resulting in low data quantity and/or quality. Using a sample of 105 women (mean age = 24.84), this study used multilevel modelling to investigate whether (a) there were changes in compliance or response variability across a 7-day period, and (b) whether such changes are explained by participant characteristics. Present findings suggest that demands of ESM protocol undermine quantity more so than quality of obtained data. Decline in procedural compliance across the testing period correlated with BMI and body shame, whereas reduced variability in state-based assessments did not adversely impact the strength of association between state body satisfaction ratings and other variables in the dataset. The authors make several recommendations for ensuring the quality of ESM-based data in future studies. 相似文献
148.
Ann M. Mastergeorge Katherine PaschallSophie R. Loeb Ashley Dixon 《Infant behavior & development》2014
The Still-Face Paradigm (SFP) is a structured stressful event within which researchers have investigated the influence of maternal psychological and behavioral characteristics on infant behavior. The present investigation contributes to this body of work by examining the joint contributions of maternal and child behavioral and affective characteristics on subsequent behaviors and affectations following the SFP. A sample of non-clinically depressed mothers and their infants (n = 31) engaged in a modified Still-Face Paradigm (SFP), followed by a period of toy play. These interactions were videotaped and behaviorally coded along the following dimensions: maternal sensitivity prior to the SFP and during toy play, infant negative emotional reactivity during the still-face, and infant resistance during the reunion phase. Additionally, mothers reported global self-esteem and this was examined as a predictor of infant behavior. Results revealed significant bidirectional influences such that maternal self-esteem predicted infant emotional reactivity, maternal sensitivity pre-SFP predicted infant resistance during the reunion phase, and infant resistance predicted subsequent levels of maternal sensitivity. Indirect effects were also examined, and provided additional support for bidirectionality in mother–infant interactions. Implications for clinical practice are discussed in light of these findings. 相似文献
149.
Marta Jackowska Reinhard Fuchs Sandra Klaperski 《British journal of psychology (London, England : 1953)》2018,109(1):137-155
Evidence on the relationship between stress reactivity and sleep is conflicting. This study examined the association between disturbed sleep and perceived and endocrine stress reactivity independently of age, body mass index (BMI), and chronic stress. One hundred and twenty middle-aged men were exposed to the Trier Social Stress Test for Groups. The Pittsburgh Sleep Quality Index and the Perceived Stress Reactivity Scale were used to assess sleep and perceived stress reactivity, respectively. Endocrine stress reactivity was examined by assessing salivary cortisol levels. Regression analyses showed that men with disturbed sleep had blunted overall cortisol responses (b = −18.246, p = .044), but the association did not survive adjustment for age, BMI, and chronic stress. In contrast, poor sleep was associated with heightened perceived stress reactivity independently of age and BMI (b = 0.235, p = .005), but additional adjustment for chronic stress attenuated the relationship and only chronic stress remained a significant predictor of perceived stress reactivity (b = 0.470, p < .001). Cortisol and perceived stress reactivity were uncorrelated. In summary, our study indicates associations between sleep disturbances and stress reactivity were not independent of BMI and chronic stress levels, and endocrine and perceived stress reactivity were dissociated. 相似文献
150.
ObjectivesThe purpose of this study was to create and provide validity evidence for the Processes of Change in Psychological Skills Training Questionnaire (PCPSTQ).DesignThe current study used a cross-sectional research design.MethodsFive hundred fifty nine NCAA Division I, professional, and Olympic level athletes participated in the current study. To create the PCPSTQ, an initial pool of 114 items was generated by the research team. After a content validity process, 65 items were retained for analysis. Exploratory structural equation modeling was used as an analytic strategy to identify the most appropriate factor structure for the PCPSTQ. Decisions about the most appropriate model were made using multiple fit indices. To examine the construct validity of the PCPSTQ, a series of one-way ANOVAs were conducted to examine differences in processes of change use across stage of change.ResultsIn the current study, validity evidence provided support for a 7-factor process of change measure (χ2 = 325.84, p < .001; Comparative Fit Index = .971; Tucker Lewis Index = .945; Root Mean Square Error of Approximation = .037; Standard Root Mean Square Residual = .020). Results also supported the construct validity of the scale as a significant difference in process of change use across stage of change was reported for all seven processes.ConclusionsResults of the current study support the factor structure and construct validity of the PCPSTQ. It appears that the processes of behavior change reported across multiple behavior change domains might also be viable for sport psychology professionals. 相似文献