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31.
Three hundred participants, including volunteers from an obsessional support group, filled in questionnaires relating to disgust sensitivity, health anxiety, anxiety, fear of death, fear of contamination and obsessionality as part of an investigation into the involvement of disgust sensitivity in types of obsessions. Overall, the data supported the hypothesis that a relationship does exist between disgust sensitivity and the targeted variables. A significant predictive relationship was found between disgust sensitivity and total scores on the obsessive compulsive inventory (OCI; Psychological Assessment 10 (1998) 206) for both frequency and distress of symptomatology. Disgust sensitivity scores were significantly related to health anxiety scores and general anxiety scores and to all the obsessional subscales, with the exception of hoarding. Additionally, multiple regression analyses revealed that disgust sensitivity may be more specifically related to washing compulsions: frequency of washing behaviour was best predicted by disgust sensitivity scores. Washing distress scores were best predicted by health anxiety scores, though disgust sensitivity entered in the second model. It is suggested that further research on the relationship between disgust sensitivity and obsessionality could be helpful in refining the theoretical understanding of obsessions. 相似文献
32.
Prior research has found that perceived discrimination is associated with adverse mental health outcomes among Latinos. However, the process by which this relationship occurs remains an understudied area. The present study investigated the role of acculturative stress in underlying the relationship between perceived discrimination and Latino psychological distress. Also examined was the ability of acculturation to serve as a moderator between perceived discrimination and acculturative stress. Among a sample of Latino adults (N = 669), moderated mediational analyses revealed that acculturative stress mediated the perceived discrimination-psychological distress relationship, and that the link between perceived discrimination and acculturative stress was moderated by Anglo behavioral orientation but not Latino behavioral orientation. The findings are discussed within a stress and coping perspective that identifies the psychological consequences associated with perceived discrimination and acculturative stress. 相似文献
33.
Familiarity is sometimes associated with midfrontal old/new (FN400) signals, but investigators assume too much by inferring familiarity whenever they identify these signals. We describe how Rosburg and colleagues (2011) made this assumption, yielding potentially faulty conclusions about the recognition heuristic. We provide an alternative interpretation emphasizing implicit processing that can underlie decision-making. 相似文献
34.
Apparently sophisticated behaviour during problem-solving is often the product of simple underlying mechanisms, such as associative
learning or the use of procedural rules. These and other more parsimonious explanations need to be eliminated before higher-level
cognitive processes such as causal reasoning or planning can be inferred. We presented three Bornean orangutans with 64 trial-unique
configurations of a puzzle-tube to investigate whether they were able to consider multiple obstacles in two alternative paths,
and subsequently choose the correct direction in which to move a reward in order to retrieve it. We were particularly interested
in how subjects attempted to solve the task, namely which behavioural strategies they could have been using, as this is how we may
begin to elucidate the cognitive mechanisms underpinning their choices. To explore this, we simulated performance outcomes
across the 64 trials for various procedural rules and rule combinations that subjects may have been using based on the configuration
of different obstacles. Two of the three subjects solved the task, suggesting that they were able to consider at least some
of the obstacles in the puzzle-tube before executing action to retrieve the reward. This is impressive compared with the past
performances of great apes on similar, arguably less complex tasks. Successful subjects may have been using a heuristic rule
combination based on what they deemed to be the most relevant cue (the configuration of the puzzle-tube ends), which may be
a cognitively economical strategy. 相似文献
35.
36.
One aim of this study was to apply information theoretical analyses to understanding the structural complexity of chick-a-dee calls of Carolina chickadees, Poecile carolinensis. A second aim of this study was to compare this structural complexity to that of the calls of black-capped chickadees, P. atricapillus, described in an earlier published report (Hailman, Ficken, & Ficken, 1985). Chick-a-dee calls were recorded from Carolina chickadees in a naturalistic observation study in eastern Tennessee. Calls were analyzed using approaches from information theory, including transition probability matrices, Zipf's rules, entropies, and information coding capacities of calls and notes of calls. As described for black-capped chickadees, calls of Carolina chickadees exhibited considerable structural complexity. Most results suggested that the call of Carolina chickadees is more structurally complex than that of black-capped chickadees. These findings add support to the growing literature on the complexity of this call system in Paridae species. Furthermore, these results point to the feasibility of detailed cross-species comparative analyses that may allow strong testing of hypotheses regarding signal evolution. 相似文献
37.
Lucas A. Keefer Mark J. Landau Zachary K. Rothschild Daniel Sullivan 《Journal of experimental social psychology》2012,48(4):912-917
Attachment theory posits that close interpersonal relationships provide people with psychological security across the lifespan. Research shows that when people perceive that close others are unreliable, they may seek alternative, non-social sources of security (e.g., deities). Building on this work, the authors hypothesized that attachment to objects compensates for threatened attachment security when close others are unreliable. Participants primed with close others', but not strangers', unreliability reported increased attachment to belongings (Study 1), and this effect was mediated by feelings of attachment anxiety (concern over close others' availability), but not attachment avoidance (avoiding emotional dependence; Study 2), suggesting that object attachment compensates for the perception that close others are unreliable rather than consistently rejecting. In Study 3, when a valued belonging was removed, participants primed with uncertainty about their relationships showed increased separation anxiety and motivation to reunite with the belonging, regardless of the belonging's perceived importance for facilitating relationships. 相似文献
38.
39.
Lab experiments on punishment are of limited relevance for understanding cooperative behavior in the real world. In real interactions, punishment is not cheap, but the costs of punishment are of a different nature than in experiments. They do not correspond to direct payments or payoff deductions, but they arise from the repercussions punishment has on social networks and future interactions. 相似文献
40.
Gerard M. Martin Ashar Pirzada Alexander Bridger Julian Tomlin Christina M. Thorpe Darlene M. Skinner 《Learning and motivation》2011,42(4):288-299
Rats were able to search multiple food cups in a foraging task and successfully return to a fixed, but not a variable, start location. Reducing the number of food cups to be searched resulted in an improvement in performance in the variable start condition. Performance was better when only one or two food cups had to be visited but was still impaired if the food was not found in the first cup searched. Variable start locations impaired performance when only one food cup had to be searched, if that cup was moved over the table. These findings suggest that there is an interaction between memory processes and the navigational processes that allows an animal to return to its start location after a foraging trip. It appears that a fixed location for the food or the start point of a foraging trip is a necessary precondition for accurate performance. 相似文献