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261.
Anxious individuals show an attention bias towards threatening information. However, under conditions of sustained environmental threat this otherwise-present attention bias disappears. It remains unclear whether this suppression of attention bias can be caused by a transient activation of the fear system. In the present experiment, high socially anxious and low socially anxious individuals (HSA group, n=12; LSA group, n=12) performed a modified dot-probe task in which they were shown either a neutral or socially threatening prime word prior to each trial. EEG was collected and ERP components to the prime and faces displays were computed. HSA individuals showed an attention bias to threat after a neutral prime, but no attention bias after a threatening prime, demonstrating that suppression of attention bias can occur after a transient activation of the fear system. LSA individuals showed an opposite pattern: no evidence of a bias to threat with neutral primes but induction of an attention bias to threat following threatening primes. ERP results suggested differential processing of the prime and faces displays by HSA and LSA individuals. However, no group by prime interaction was found for any of ERP components. 相似文献
262.
Seven hundred seventy-nine infants were screened at 4 months of age for motor and emotional reactivity. At age 9 months, infants who showed extreme patterns of motor and negative (n = 75) or motor and positive (n = 73) reactivity and an unselected control group (n = 86) were administered the Laboratory Temperament Assessment Battery, and baseline electroencephalogram data were collected. Negatively reactive infants showed significantly more avoidance than positively reactive infants and displayed a pattern of right frontal electroencephalogram asymmetry. Positively reactive infants exhibited significantly more approach behavior than controls and exhibited a pattern of left frontal asymmetry. Results support the notion that approach-withdrawal bias underlies reactivity in infancy. 相似文献
263.
Kobi Dayan Shaul Fox Ronen Kasten 《International Journal of Selection & Assessment》2008,16(2):102-111
The current study examined the relationships between personnel employment interview scores (PEI), cognitive ability test scores (CAT) and assessment center (AC) scores, as well as the potential to circumvent the costly AC method for some of the candidates by using these less expensive selection methods. A total of 423 Israeli police force candidates participated in the study. Their PEI and CAT scores were collected in the first stage of the selection process. They subsequently participated in an AC and a final decision was made regarding their acceptance to the police force. It was found that PEI and CAT scores significantly correlated with the AC scores and the recruitment decision, although the PEI scores demonstrated stronger correlations with the criteria. An actuarial analysis demonstrated the benefit of using the AC procedure for those achieving middle range scores on the PEI and CAT, circumventing the costly ACs for those achieving high and low scores. This strategy resulted in minor costs of both α and β errors. Organizations can adopt this economical strategy when the AC costs exceed the manpower costs incurred by disposing of the AC. 相似文献
264.
265.
This study examined differences between self-harmers who had and who had not been sexually abused in childhood with regards to other risk factors and associated behaviours commonly identified in the research literature as being related to self-harm. Participants (N = 113, mean age = 19.92 years) were recruited via self-harm Internet discussion groups and message boards, and completed a web questionnaire assessing measures of body satisfaction, eating disorders, childhood trauma and suicide ideation. Self-harmers who reported a history of childhood sexual abuse scored higher on measures of body dissatisfaction, eating disorders, suicide ideation, physical abuse, physical neglect, emotional abuse and emotional neglect. These findings implicate sexual abuse as a powerful traumatic event that can have severe repercussions on an individual, not only in terms of self-harming behaviour but also in terms of developing a wide range of maladaptive behaviours in conjunction with self-harm. 相似文献
266.
267.
Recent research has raised the hypothesis that brain maturation processes may play an important role in the linkage between infant joint attention and language development. This hypothesis was examined using EEG, joint attention and parent report language measures in a longitudinal study of 29 infants assessed at 14, 18 and 24 months of age. The results indicated that both measures of joint attention and EEG coherence at 14 months were related to language development at 24 months. Furthermore, both EEG coherence measures and joint attention measures made contributions to multiple regression equations predicting individual differences in language development. Finally, coherence data from this study were consistent with Thatcher's (1994 ) theory of different patterns of neural integration and differentiation in the early maturation of the left and right hemispheres. The implications of these results for understanding the nature of the relations between joint attention and language development, as well as the utility of EEG coherence measures in developmental neuroscience are discussed. 相似文献
268.
Bonnie C. Nicholson Robert A. Fox Sheila D. Johnson 《Infant and child development》2005,14(4):425-428
Previous research has established the link between harsh parenting and poor outcomes in children, although little attention has been paid to the concurrent protective factors which may exist. The relationship between parenting behaviours and childhood externalizing behaviours was investigated in a sample of 60 parents of young children (ages 2–5 years). Thirty families were selected for participation based on teacher‐reported externalizing behaviour in their young child which exceeded normal limits and matched with a sample of 30 parents of children without externalizing behaviour problems. Results found that parents of young children with externalizing behaviours tended to use more frequent verbal and corporal punishment with their young children, and reported more behaviour problems with their young children when compared with a control group. However, no significant differences were found between groups with respect to positive, nurturing behaviours, or utilizing appropriate developmental expectations. Implications for prevention are discussed. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
269.
Based on the closure motivation theory proposed by Kruglanski and Webster (1996), it was hypothesized that the extent of perceived
variability of target group members would be related to dispositional need for closure. Israeli teachers (n = 160) judged their professors by means of two methods and answered the need for cognitive closure questionnaire (NFCS, Webster
& Kruglanski, 1994). The findings show that need for closure is related to social judgment. The perception of participants
high in need for closure was less differentiated and more extreme, in comparison to participants low in need for closure.
Findings also yielded that measures of variability are method dependent. 相似文献
270.