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101.
Maria Lehnung Bernd Leplow Arne Herzog Barbara Benz Annegret Ritz Henning Stolze 《Child neuropsychology》2013,19(2):59-71
Spatial behavior in 20 children with severe traumatic brain injury (TBI) and 20 healthy controls was investigated using the Kiel Locomotor Maze. Children had to remember defined locations in an experimental chamber with completely controlled intra- and extra-maze cues until learning criterion was reached. In a second experiment, spatial orientation strategies were assessed. Children with TBI were shown to be impaired in spatial learning and spatial memory. Spatial orientation was found to be deficient even in cases where spatial learning and memory proved to be unimpaired, especially in tasks that demanded the use of relational place strategies. Children who suffered a TBI at an early age proved to be more severely impaired in spatial learning and orientation than older children. 相似文献
102.
Josef J. Bless Kenneth Hugdahl René Westerhausen Gro C. Løhaugen Ole Christian Eidheim Ann‐Mari Brubakk Jon Skranes Arne Gramstad Asta K. Håberg 《Scandinavian journal of psychology》2013,54(3):179-187
The objective of the paper is to explore bottom‐up auditory and top‐down cognitive processing abilities as part of long‐term outcome assessment of preterm birth. Fifty‐five adolescents (age 13–15) born with very low birth weight (VLBW) were compared to 80 matched controls born to term, using three consonant‐vowel dichotic listening (DL) instruction conditions (non‐forced, forced‐right and forced‐left). DL scores were correlated with cortical gray matter thickness derived from T1‐weighted structural MRI volumes using FreeSurfer to examine group differences also in the neural correlates of higher cognitive processes. While showing normal bottom‐up processing, VLBW adolescents displayed impaired top‐down controlled conflict processing related to significant cortical thickness differences in left superior temporal gryus and anterior cingulate cortex. Preterm birth with VLBW induces fundamental changes in brain function and structure posing a risk for long‐term neurocognitive impairments. Deficits emerge in situations of increasing cognitive conflict and can be related to measures of executive functions as well as morphology. 相似文献
103.
Ingrid K. Weigold Arne Weigold Elizabeth J. Russell Ginelle L. Wolfe Jusiah L. Prowell Caitlin A. Martin-Wagar 《Journal of counseling and development : JCD》2020,98(4):376-390
Personal growth initiative (PGI) is an individual's active and intentional desire to grow in personally important areas. In the past 20 years, a body of literature has emerged examining PGI's relationship to mental health. We conducted the first meta-analyses to synthesize this literature. Two meta-analyses examined the relationship between PGI total scores and distress (k = 22) and wellness (k = 37). Both average effect sizes were significant. We also examined the potential impact of nine moderators. The type of outcome assessed was a significant moderator for PGI and distress, and the PGI measure used was a significant moderator for PGI and wellness, accounting for 61% and 15% of the overall variance, respectively. Meta-analyses examining the relationship between the four PGI subscales (Readiness for Change, Planfulness, Using Resources, and Intentional Behavior) and distress (k = 4) and wellness (k = 7) yielded similar results to the total score analyses. 相似文献
104.
The Malicious Serpent: Snakes as a prototypical stimulus for an evolved module of fear 总被引:3,自引:0,他引:3
As reptiles, snakes may have signified deadly threats in the environment of early mammals. We review findings suggesting that snakes remain special stimuli for humans. Intense snake fear is prevalent in both humans and other primates. Humans and monkeys learn snake fear more easily than fear of most other stimuli through direct or vicarious conditioning. Neither the elicitation nor the conditioning of snake fear in humans requires that snakes be consciously perceived; rather, both processes can occur with masked stimuli. Humans tend to perceive illusory correlations between snakes and aversive stimuli, and their attention is automatically captured by snakes in complex visual displays. Together, these and other findings delineate an evolved fear module in the brain. This module is selectively and automatically activated by once-threatening stimuli, is relatively encapsulated from cognition, and derives from specialized neural circuitry. 相似文献
105.
Jennifer N. Felder Zindel Segal Arne Beck Nancy E. Sherwood Sherryl H. Goodman Jennifer Boggs Elizabeth Lemon Sona Dimidjian 《Cognitive and behavioral practice》2017,24(1):26-37
Depression occurring during pregnancy and postpartum (i.e., the perinatal period) is common and associated with adverse outcomes for women and their offspring. Mindfulness-based cognitive therapy (MBCT) has been shown to reduce risk for depressive relapse among at-risk individuals generally, and recent adaptations document the efficacy of MBCT among perinatal women specifically. In addition, MBCT, when delivered using a web-based format (Mindful Mood Balance [MMB] program), has demonstrated acceptability and feasibility for at-risk individuals generally. The aim of the present open trial study was to examine the feasibility, acceptability, and preliminary outcomes of MMB for use with pregnant women at risk for depressive relapse (N = 37). We predicted that MMB would be feasible and acceptable as assessed by session completion and participation in phone coaching calls, home practice completion, and self-reported satisfaction via questionnaire and interview. We also predicted that women would not demonstrate significant worsening of depression symptom severity during MMB, consistent with our focus on prevention. A brief case example based on a composite of participants is presented to illustrate the MMB structure and content and the phone coaching protocol. Participants demonstrated engagement with the program, reported perceiving benefits in the intended depression prevention targets of MMB, and sustained minimal to mild depressive symptom severity over the course of the program. Given these promising results and the potential benefits of averting depression for women and their families, further development and rigorous testing of MMB among at-risk pregnant women is warranted. 相似文献
106.
May A 《Trends in cognitive sciences》2011,15(10):475-482
Contrary to assumptions that changes in brain networks are possible only during crucial periods of development, research in the past decade has supported the idea of a permanently plastic brain. Novel experience, altered afferent input due to environmental changes and learning new skills are now recognized as modulators of brain function and underlying neuroanatomic circuitry. Given findings in experiments with animals and the recent discovery of increases in gray and white matter in the adult human brain as a result of learning, the old concept of cognitive reserve, that is the ability to reinforce brain volume in crucial areas and thus provide a greater threshold for age-dependent deficits, has been reinforced. The challenge we face is to unravel the exact nature of the dynamic structural alterations and, ultimately, to be able to use this knowledge for disease management. Understanding normative changes in brain structure that occur as a result of environmental changes and demands is pivotal to understanding the characteristic ability of the brain to adapt. 相似文献
107.
van den Hout MA Engelhard IM Rijkeboer MM Koekebakker J Hornsveld H Leer A Toffolo MB Akse N 《Behaviour research and therapy》2011,(2):92-98
Posttraumatic stress disorder (PTSD) is effectively treated with eye movement desensitization and reprocessing (EMDR) with patients making eye movements during recall of traumatic memories. Many therapists have replaced eye movements with bilateral beeps, but there are no data on the effects of beeps. Experimental studies suggest that eye movements may be beneficial because they tax working memory, especially the central executive component, but the presence/degree of taxation has not been assessed directly. Using discrimination Reaction Time (RT) tasks, we found that eye movements slow down RTs to auditive cues (experiment I), but binaural beeps do not slow down RTs to visual cues (experiment II). In an arguably more sensitive “Random Interval Repetition” task using tactile stimulation, working memory taxation of beeps and eye movements were directly compared. RTs slowed down during beeps, but the effects were much stronger for eye movements (experiment III). The same pattern was observed in a memory experiment with healthy volunteers (experiment IV): vividness of negative memories was reduced after both beeps and eye movements, but effects were larger for eye movements. Findings support a working memory account of EMDR and suggest that effects of beeps on negative memories are inferior to those of eye movements. 相似文献
108.
Isham EA Banks WP Ekstrom AD Stern JA 《Journal of experimental psychology. Human perception and performance》2011,37(5):1458-1469
Previous work suggested the association between intentionality and the reported time of action was exclusive, with intentionality as the primary facilitator to the mental time compression between the reported time of action and its effect (Haggard, Clark, & Kalogeras, 2002). In three experiments, we examined whether mental time compression could also be observed in an unintended action. Participants performed an externally cued key press task that elicited one of two possible tones. The reported time of action shifted closer to the tone when the tone was used to indicate the winner of a race (Exp.2) compared to when the tone was meaningless and did not indicate winning (Exp.1). This suggests that reported time of an unintended action could shift toward the effect in some contexts. Furthermore, the results from Exp.2 and Exp.3 (tones were substituted with verbal feedback) showed that a presumed winning action was judged to occur earlier whereas a presumed losing action was judged to be later. These findings therefore support the view that the reported time of action is reconstructed from known temporal information rather than determined by intentionality. 相似文献
109.
When is it appropriate to harm a single person to help multiple others? Psychologists have investigated this question through the study of hypothetical “trolley” dilemmas involving extreme physical harm life-or-death situations that contrast outcome-focussed, consequentialist moral reasoning with principle-focussed, deontological moral reasoning. The present studies investigate whether participants’ preference for consequentialism generalises across domains. We administered traditional physical harm dilemmas as well as a trolley-type dilemma involving monetary harm. Across four studies (N?=?809), an internal meta-analysis demonstrated that participants’ responses to the traditional dilemmas predicted their responses to the monetary dilemma. Additionally, previous research has uncovered that primary psychopathy predicts consequentialist responses on physical harm dilemmas. The current work uncovers that this association does not generalise to monetary harm dilemmas, suggesting that the association between primary psychopathy and consequentialist reasoning is not related to consequentialist reasoning per se, but to the idiosyncrasies of traditional harm-centric trolley dilemmas instead. 相似文献
110.
Cellular memory in spinal nociceptive circuitry 总被引:8,自引:0,他引:8
Besides transmitting and processing, neurons may also store information for prolonged periods of time (e.g. by use-dependent change in synaptic strength). In 1966 long-term potentiation (LTP) of synaptic transmission was discovered in the hippocampus, an area implicated in learning and memory. Recent studies show that similar mechanisms apply to pain pathways, at least in the spinal cord, and may account for some forms of clinical problems like hyperalgesia, allodynia, and deafferentation pain states, such as phantom pain. In this review, we briefly summarize key aspects of synaptic plasticity known from the brain and in the spinal cord. Then we describe and discuss related changes in spinal nociceptive neurons based on results from our own laboratory. 相似文献