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981.
Mitchell T Bull R Cleland AA 《Quarterly journal of experimental psychology (2006)》2012,65(10):1945-1961
There is evidence from the SNARC (spatial-numerical association of response codes) effect and NDE (numerical distance effect) that number activates spatial representations. Most of this evidence comes from tasks with explicit reference to number, whether through presentation of Arabic digits (SNARC) or through magnitude decisions to nonsymbolic representations (NDE). Here, we report four studies that use the neural overlap paradigm developed by Fias, Lauwereyns, and Lammertyn (2001) to examine whether the presentation of implicit and task-irrelevant numerosity information (nonsymbolic arrays and auditory numbers) is enough to activate a spatial representation of number. Participants were presented with either numerosity arrays (1-9 circles or triangles) to which they made colour (Experiment 1) or orientation (Experiment 2) judgements, or auditory numbers coupled with an on-screen stimulus to which they made a colour (Experiment 3) or orientation (Experiment 4) judgement. SNARC effects were observed only for the orientation tasks. Following the logic of Fias et al., we argue that this SNARC effect occurs as a result of overlap in parietal processing for number and orientation judgements irrespective of modality. Furthermore, we found stronger SNARC effects in the small number range (1-4) than in the larger number range (6-9) for both nonsymbolic displays and auditory numbers. These results suggest that quantity is extracted (and interferes with responses in the orientation task) but this is not exact for the entire number range. We discuss a number of alternative models and mechanisms of numerical processing that may account for such effects. 相似文献
982.
McCloskey MS Look AE Chen EY Pajoumand G Berman ME 《Suicide & life-threatening behavior》2012,42(2):197-209
Previous research using self-report measures has shown an association between nonsuicidal self-injurious behavior (NSSI) and impulsive tendencies. However, self-injurers have not been shown to be different from comparison groups on laboratory tasks putatively assessing impulsive behavior. One explanation for these contradictory findings is that self-report and laboratory measures of impulsive behavior tap into distinct but related constructs. Moreover, performance on laboratory measures of impulsive behavior can be influenced by myriad contextual and affective factors not present during past self-reported NSSI events. Accordingly, a relationship between behavioral tasks of impulsivity and self-injurious behavior could emerge if both are assessed relatively close in time under controlled laboratory conditions. To test this possibility, both self-ratings and laboratory task measures of self-injurious and impulsive behavior were employed in the current study. This multi-modal assessment approach revealed that self-rated impulsivity was associated with both self-report and behavioral measures of self-injurious behavior. Moreover, behavioral measures of impulsivity were associated with self-injurious behavior, but not NSSI history. These results provide support for the notion that a multi-modal approach to assessing self-injurious behavior is important for better understanding the correlates of nonsuicidal self-injury. 相似文献
983.
Kimbrel NA Mitchell JT Hundt NE Robertson CD Nelson-Gray RO 《Journal of personality disorders》2012,26(2):203-212
The objective of this study was to examine if and how two basic dimensions of temperament-behavioral inhibition system (BIS) and behavioral approach system (BAS) sensitivity-might interact with exposure to perceived parental affectionless control (AFC) to predict personality disorder (PD) symptomatology. Measures of BIS, BAS, AFC, and PD symptomatology were administered to a large nonclinical sample (n = 318). As predicted, exposure to AFC was positively associated with PD symptoms in general, BIS was positively associated with Cluster A and C symptoms, and BAS was positively associated with Cluster B symptoms. BIS and BAS were also found to interact with each other to predict Cluster B symptomatology. In addition, BIS, BAS, and maternal AFC interacted to predict Cluster A symptomatology. In the latter case, it was found that individuals who reported high BIS, high BAS, and high maternal AFC reported the highest overall level of Cluster A symptoms. 相似文献
984.
Cohn AM Cameron AY Udo T Hagman BT Mitchell J Bramm S Ehlke S 《Psychology of addictive behaviors》2012,26(2):318-324
Problem drinkers may use alcohol to avoid negative mood states and may develop implicit cognitive associations between negative emotional states and reinforcing properties of drinking. It is paradoxical that attempts to control drinking, such as among those high in drinking restraint, may inadvertently increase desire to drink and subsequent alcohol consumption, and this may be exaggerated under times of emotional distress when urges to drink are high. We examined whether individuals who are high on drinking restraint would demonstrate stronger alcohol-related thoughts elicited by stimuli that represent the desire to use alcohol, in response to stronger versus weaker negative mood arousal. Seventy hazardous drinkers completed measurements of drinking restraint, alcohol consumption, and consequences of use. After being randomized to view negative or positive pictures sets, participants completed an Implicit Association Task (IAT) to test differences in the strength of the association between desire to approach or avoid alcohol or water cues, and then a measurement of subjective craving following the IAT. Regression analyses showed that trait restriction not temptation was positively related to IAT scores, after controlling for relevant covariates and explained 7% of the total variance. Trait temptation not IAT predicted subjective craving. Negative affect was unrelated to IAT scores, singly or in conjunction with measures of drinking restraint, contrary to predictions. In sum, implicit alcohol cognitions are related to attempts to restrict drinking not temptation to drink and are less strongly influenced by mood state. 相似文献
985.
Motherhood and sexual appeal are rarely linked in Western culture. There seems to be a notion that once a woman has children she is first and foremost an example, and must be responsible and conservative in a culturally specific way. Most women become mothers at some point in their lives and this is a major physical, emotional, and role transition, one that many women struggle with privately given societal ideals of a ??good?? mother. Despite its essential role in motherhood and life, and the health benefits known to be associated with sexual activity, public expression of sexuality is still primarily associated with being young, childless, and unmarried. Using a social constructionist perspective, we look at the ways in which acceptable expressions of mothers?? sexuality are defined and negotiated by contemporary women. Based on in-depth interviews with fifty women in their 20s, 30s, and 40s, we discuss women??s images of mothers?? sexuality and the ways in which motherhood impacts women??s experiences of sexuality. We find that for most mothers interviewed, the way they felt about sex, their sexual appeal, and their level of sexual desire changed after having children. Coupled with the fatigue and responsibility associated with being a new mother, women felt disconnected from their sexuality for a period of time. 相似文献
986.
987.
Peter H Ditto William D Smucker Joseph H Danks Jill A Jacobson Renate M Houts Angela Fagerlin Kristen M Coppola R Mitchell Gready 《Health psychology》2003,22(6):605-615
The use of instructional advance directives assumes that preferences for life-sustaining medical treatment remain stable over time and across changes in life condition. A sample of 332 older adults recorded their preferences for 4 life-sustaining treatments in 9 illness scenarios. These preferences were elicited again 1 and 2 years after the original interview. Overall, preferences for life-sustaining treatment were moderately stable over time, but stability varied significantly across judgments. Preferences were most stable for illness scenarios that were most and least serious and for decisions to refuse treatment. Age, gender, education, and prior completion of an advance directive were all related to preference stability, and evidence indicated that declines in physical or psychological functioning resulted in decreased interest in life-sustaining treatment. 相似文献
988.
989.
Rachel Woodford Matthew J. Spittal Allison Milner Katie McGill Navneet Kapur Jane Pirkis Alex Mitchell Gregory Carter 《Suicide & life-threatening behavior》2019,49(1):23-40
Assessment of a patient after hospital‐treated self‐harm or psychiatric hospitalization often includes a risk assessment, resulting in a classification of high risk versus low risk for a future episode of self‐harm. Through systematic review and a series of meta‐analyses looking at unassisted clinician risk classification (eight studies; N = 22,499), we found pooled estimates for sensitivity 0.31 (95% CI: 0.18–0.50), specificity 0.85 (0.75–0.92), positive predictive value 0.22 (0.21–0.23), and negative predictive value 0.89 (0.86–0.92). Clinician classification was too inaccurate to be clinically useful. After‐care should therefore be allocated on the basis of a needs rather than risk assessment. 相似文献
990.