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861.
862.
Relative rate of response and relative magnitude of reinforcement in multiple schedules 总被引:8,自引:8,他引:0
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Pigeons were trained on a multiple schedule in which the duration of access to grain reinforcement was varied independently in the two components. The relative response rate in one component was an increasing function of the relative duration of reinforcement in that component. The similarity of this interaction to that found in multiple schedules of different reinforcement frequency is discussed. Extinction data were also similar to those obtained after training on multiple schedules of different reinforcement frequency. 相似文献
863.
Melanie S. Harned Sara C. Schmidt Kathryn E. Korslund Robert J. Gallop 《Behavior Therapy》2021,52(3):639-655
The Dialectical Behavior Therapy Prolonged Exposure (DBT PE) protocol improves DBT’s effects on PTSD in research settings, but its effectiveness in community settings is largely unknown. This pilot nonrandomized controlled trial examined DBT with and without DBT PE in four public mental health agencies. Patients (N = 35, 12-56 years old, 80.0% female, 64.7% racial/ethnic minorities, 44.1% sexual minorities) had PTSD, were receiving DBT, and completed assessments every four months over one year. Sixteen patients (45.7%) initiated DBT PE, 19 (54.3%) did not, and dropout did not differ between groups (31.3% vs. 26.3%). The primary barrier to initiating DBT PE was clinician turnover (57.9% of non-initiators). After adjusting for confounds, DBT PE initiators (g = 1.1) and completers (g = 1.4) showed a greater reduction in PTSD than patients who received DBT only (g = 0.5; p’s < .05). Rates of reliable improvement in PTSD were 71.4% (DBT PE completers), 53.8% (DBT PE initiators), and 31.3% (DBT). Similar patterns were observed for posttraumatic cognitions, emotion dysregulation, general psychological distress, and limited activity days. There was no worsening of self-injurious behavior or crisis service use among patients who received DBT PE. Benchmarking analyses indicated comparable feasibility, acceptability, and safety, but a smaller magnitude of clinical change, than in efficacy studies. Results require replication in a randomized trial but suggest that DBT PE can be transported effectively to community settings. 相似文献
864.
865.
Journal of Philosophical Logic - The origins of proof-theoretic semantics lie in the question of what constitutes the meaning of the logical connectives and its response: the rules of inference... 相似文献
866.
Sara J. Landes Monica M. Matthieu Brandy N. Smith Sacha A. McBain Elizabeth S. Ray 《Cognitive and behavioral practice》2021,28(1):66-76
Dialectical Behavioral Therapy (DBT) is an effective treatment for borderline personality disorder (BPD), yet many health care facilities struggle to implement one of the modes of DBT, phone coaching. The aims of this study were to present barriers and reported solutions regarding the implementation of DBT phone coaching. We conducted a sequential mixed methods national program evaluation that included a quantitative self-report survey completed by Department of Veterans Affairs (VA) facilities (N = 59) offering any of the four modes of DBT. Subsequent qualitative interviews using a semistructured interview guide informed by the Promoting Action on Research Implementation in Health Services (PARIHS) were completed with DBT providers and administrators from a subset (n = 16) of these VA sites. Four themes—the lack of tools and policies, compensation for phone coaching, clinician willingness to conduct phone coaching, and consistent program and leadership support—were identified and illustrated in a case study. This study also offered concrete recommendations for those health care organizations, managers, administrators, and clinicians who may be interested in implementing phone coaching at their health care facilities. 相似文献
867.
Arianna M. Gard Andrea M. Maxwell Daniel S. Shaw Colter Mitchell Jeanne Brooks‐Gunn Sara S. McLanahan Erika E. Forbes Christopher S. Monk Luke W. Hyde 《Developmental science》2021,24(1)
A growing literature suggests that adversity is associated with later altered brain function, particularly within the corticolimbic system that supports emotion processing and salience detection (e.g., amygdala, prefrontal cortex [PFC]). Although neighborhood socioeconomic disadvantage has been shown to predict maladaptive behavioral outcomes, particularly for boys, most of the research linking adversity to corticolimbic function has focused on family‐level adversities. Moreover, although animal models and studies of normative brain development suggest that there may be sensitive periods during which adversity exerts stronger effects on corticolimbic development, little prospective evidence exists in humans. Using two low‐income samples of boys (n = 167; n = 77), Census‐derived neighborhood disadvantage during early childhood, but not adolescence, was uniquely associated with greater amygdala, but not PFC, reactivity to ambiguous neutral faces in adolescence and young adulthood. These associations remained after accounting for several family‐level adversities (e.g., low family income, harsh parenting), highlighting the independent and developmentally specific neural effects of the neighborhood context. Furthermore, in both samples, indicators measuring income and poverty status of neighbors were predictive of amygdala function, suggesting that neighborhood economic resources may be critical to brain development. 相似文献
868.
Sara R. Westbrook Minsu Kang Luke K. Sherrill Dylan O'Hearn Tanya Krishnamani Joshua M. Gulley 《Journal of the experimental analysis of behavior》2018,110(1):54-62
Rodent models have been especially useful for investigating adolescent ethanol exposure. However, there is a paucity of studies examining sex differences in behavioral intoxication from adolescent ethanol drinking. Here, we used an ethanol drinking model to investigate if adolescent rats of both sexes readily drink ethanol to measurable behavioral intoxication, indicated by increased impulsive action and motor incoordination. Beginning on postnatal day (P) 28, male and female Long‐Evans rats were given 30‐min access to a solution of sucrose (20%) or sweetened ethanol (20% sucrose +15% ethanol) every other day until P60 and once after 2 weeks of forced abstinence (on P75). On alternate (nondrinking) days, rats were reinforced with a food pellet for making a cued nosepoke response. Beginning on P56, rats were tested in this task after drinking sessions to assess ethanol‐induced changes in impulsive action, defined as premature responding prior to cue presentation. Motor coordination was assessed before and after drinking sessions using an incline plane test. Adolescent male and female rats readily consumed ethanol to behavioral intoxication, measured as reduced motor coordination. Following forced abstinence, females displayed greater ethanol‐induced impulsive action. These studies provide evidence for sex differences in behavioral intoxication following adolescent ethanol drinking. 相似文献
869.
Hand Position and Response Assignment Modulate the Activation of the Valence‐Space Conceptual Metaphor
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Emilia Castaño Elizabeth Gilboy Sara Feijóo Elisabet Serrat Carles Rostan Joseph Hilferty Toni Cunillera 《Cognitive Science》2018,42(7):2342-2363
Conceptual metaphor is ubiquitous in language and thought, as we usually reason and talk about abstract concepts in terms of more concrete ones via metaphorical mappings that are hypothesized to arise from our embodied experience. One pervasive example is the conceptual projection of valence onto space, which flexibly recruits the vertical and lateral spatial frames to gain structure (e.g., good is up ‐bad is down and good is right ‐bad is left ). In the current study, we used a valence judgment task to explore the role that exogenous bodily cues (namely response hand positions) play in the allocation of spatial attention and the modulation of conceptual congruency effects. Experiment 1 showed that congruency effects along the vertical axis are weakened when task conditions (i.e., the use of vertical visual cues, on the one hand, and the horizontal alignment of responses, on the other) draw attention to both the vertical and lateral axes making them simultaneously salient. Experiment 2 evidenced that the vertical alignment of participants’ hands while responding to the task—regardless of the location of their dominant hand—facilitates the judgment of positive and negative‐valence words, as long as participants respond in a metaphor–congruent manner (i.e., up responses are good and down responses are bad). Overall, these results support the claim that source domain representations are dynamically activated in response to the context and that bodily states are an integral part of that context. 相似文献
870.
Sara E. Mann Bradley T. Erford Amelia Minnich 《Journal of counseling and development : JCD》2018,96(1):41-52
This meta‐analysis of 92 anorexia nervosa counseling articles examined the effectiveness of counseling in reducing symptoms of anorexia nervosa at termination and the longest follow‐up assessments. Treatment‐as‐usual studies showed no effect to small effects at both posttest and follow‐up assessments, wait‐list studies showed small effects at posttest and medium effects at follow‐up, and single‐group uncontrolled studies showed medium to large effects at posttest and medium effects at follow‐up. Implications for research and practice are discussed. 相似文献