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141.
Louise A. McLean David Harvey Keith Mutimer 《Journal of clinical psychology in medical settings》2014,21(3):244-252
This study aimed to identify risk and resistance factors associated with the psychological adjustment of fathers of children with obstetrical brachial plexus injuries (OBPI). Participants were 34 fathers of children with OBPI recruited from an Australian OBPI clinic. Measures completed were OBPI severity, disability related stress, family functioning and social support. Together the risk and resistance factors of severity and family functioning accounted for 28 % of the total variance in paternal psychological adjustment. Family functioning explained 12 % of the variance in psychological adjustment in addition to that explained by severity. These findings highlight the importance of considering paternal perceptions of OBPI severity and family functioning when providing health care to families of children with OBPI. 相似文献
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Cui W Darby-King A Grimes MT Howland JG Wang YT McLean JH Harley CW 《Learning & memory (Cold Spring Harbor, N.Y.)》2011,18(5):283-291
An increase in synaptic AMPA receptors is hypothesized to mediate learning and memory. AMPA receptor increases have been reported in aversive learning models, although it is not clear if they are seen with memory maintenance. Here we examine AMPA receptor changes in a cAMP/PKA/CREB-dependent appetitive learning model: odor preference learning in the neonate rat. Rat pups were given a single pairing of peppermint and 2 mg/kg isoproterenol, which produces a 24-h, but not a 48-h, peppermint preference in the 7-d-old rat pup. GluA1 PKA-dependent phosphorylation peaked 10 min after the 10-min training trial and returned to baseline within 90 min. At 24 h, GluA1 subunits did not change overall but were significantly increased in synaptoneurosomes, consistent with increased membrane insertion. Immunohistochemistry revealed a significant increase in GluA1 subunits in olfactory bulb glomeruli, the targets of olfactory nerve axons. Glomerular increases were seen at 3 and 24 h after odor exposure in trained pups, but not in control pups. GluA1 increases were not seen as early as 10 min after training and were no longer observed 48 h after training when odor preference is no longer expressed behaviorally. Thus, the pattern of increased GluA1 membrane expression closely follows the memory timeline. Further, blocking GluA1 insertion using an interference peptide derived from the carboxyl tail of the GluA1 subunit inhibited 24 h odor preference memory providing causative support for our hypothesis. PKA-mediated GluA1 phosphorylation and later GluA1 insertion could, conjointly, provide increased AMPA function to support both short-term and long-term appetitive memory. 相似文献
144.
The original cognitive-behavioural model of bulimia nervosa (BN) has been enhanced to include four additional maintaining mechanisms: low self esteem, clinical perfectionism, interpersonal problems, and mood intolerance. These models have been used to guide cognitive-behavioural treatment for BN, but the enhanced model has yet to be directly evaluated as a whole in a clinical sample. This study aimed to compare and evaluate the original and the enhanced cognitive-behavioural models of BN using structural equation modelling. The Eating Disorder Examination and self-report questionnaires were completed by 162 patients seeking treatment for BN (N = 129) or atypical BN (N = 33). Fit indices suggested that both the original and enhanced models provided a good fit to the data, but the enhanced model accounted for more variance in dietary restraint and binge eating. In the enhanced model, low self esteem was associated with greater overevaluation of weight and shape, which, in turn, was associated with increased dietary restraint. Interpersonal problems were also directly associated with dietary restraint, and binge eating was associated with increased purging. While the current study provides support for some aspects of the enhanced cognitive-behavioural model of BN, some key relationships in the model were not supported, including the important conceptual relationship between dietary restraint and binge eating. 相似文献
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Research on narrative identity has traditionally focused on how narrative characteristics are related to personality and well-being in adults. The present pair of studies with college students (Study 1, n= 62; Study 2, n= 68 couples) examined the dynamic conversational processes that might be part of constructing that identity. We examined the characteristics of personal meanings, operationalized as self-event connections, and the retention of those connections about important past events discussed between new romantic partners. Across the 2 studies, self-event connections that were positive and about stable aspects of the self were more likely to occur. Connections that were retained over 1 month were those that were shared by both teller and listener in an independent postconversation assessment. Discussion focuses on the processes that might contribute to the construction of narrative identity and the importance of positivity, stability, and shared connections in developing and maintaining narrative identity. 相似文献
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Keith M. Harris PhD John P. McLean PhD Jeanie Sheffield PhD David Jobes PhD ABPP 《Suicide & life-threatening behavior》2010,40(2):181-192
Researchers and theorists (e.g., Shneidman, Stengel, Kovacs, and Beck) hyothesized that suicidal people engage in an internal debate, or struggle, over whether to live or die, but few studies have tested its tenability. This study introduces direct assessment of a suicidal debate, revealing new aspects of suicidal ideation. Results, from an online survey (N = 1,016), showed nearly all suicide‐risk respondents engaged in the debate. In addition, debate frequency accounted for 54% of the variance in suicidality scores, and showed significant associations with other indicators of suicide risk. Likely factors of the debate, reasons for living and dying, showed significant differences by suicidality, and most suicide‐risk participants reported going online for such purposes, demonstrating a behavioral component of the debate. 相似文献
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ABSTRACT Scholars have identified associations between ethnicity and crime. The extent to which such correlations generalize to other national domiciles, and the nuances of neighborhood criminality is unclear. Drawing upon 67 interviews with practitioners and (ex)offenders involved in drug supply, and supplemented by data sets, the article tests the validity of the generalisation, by exploring a) whether ethnicity is perceived as advantageous in the movement of drugs, and b) how indigenous organized criminal gangs (OCGs) address the encroachment of foreign OCGs on their turf. Findings suggest ‘official’ suppositions aren’t wholly supported by evidence gained from street actors connected with criminogenic environments. 相似文献