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901.
During cognitive processing, the various cortical areas, with specialized functions, supply for different tasks. In most cases
then, the information flows are processed in a parallel way by brain networks which work together integrating the single performances
for a common goal. Such a step is generally performed at higher processing levels in the associative areas. The frequency
range at which neuronal pools oscillate is generally wider than the one which is detectable by bold changes in fMRI studies.
A high time resolution technique like magnetoencephalography or electroencephalography is therefore required as well as new
data processing algorithms for detecting different coherent brain areas cooperating for one cognitive task. Our experiments
show that no algorithm for the inverse problem solution is immune from bias. We propose therefore, as a possible solution,
our software LOCANTO (LOcalization and Coherence ANalysis TOol). This new package features a set of tools for the detection
of coherent areas. For such a task, as a default, it employs the algorithm with best performances for the neural landscape
to be detected. If the neural landscape under attention involves more than two interacting areas the SLoreta algorithm is
used. Our study shows in fact that SLoreta performance is not biased when the correlation among multiple sources is high.
On the other hand, the Beamforming algorithm is more precise than SLoreta at localizing single or double sources but it gets
a relevant localization bias when the sources are more than three and are highly correlated. 相似文献
902.
Social cognitive theory of posttraumatic recovery: the role of perceived self-efficacy 总被引:7,自引:0,他引:7
The present article integrates findings from diverse studies on the generalized role of perceived coping self-efficacy in recovery from different types of traumatic experiences. They include natural disasters, technological catastrophes, terrorist attacks, military combat, and sexual and criminal assaults. The various studies apply multiple controls for diverse sets of potential contributors to posttraumatic recovery. In these different multivariate analyses, perceived coping self-efficacy emerges as a focal mediator of posttraumatic recovery. Verification of its independent contribution to posttraumatic recovery across a wide range of traumas lends support to the centrality of the enabling and protective function of belief in one's capability to exercise some measure of control over traumatic adversity. 相似文献
903.
A dependent personality orientation is associated with increased risk for a broad array of Axis I and Axis II disorders. Although traditional treatment interventions have modest ameliorative effects on problematic dependency, the multifaceted nature of dependency suggests that integrated treatment strategies may hold more promise than traditional treatment approaches. This article outlines one potentially useful integrated treatment strategy, combining elements of cognitive and existential therapy to alter dependency-related thought, behavior, and emotional responding. Procedures for implementing an integrated cognitive-existential treatment model are outlined, and challenges in use of the model are discussed. 相似文献
904.
The article introduces the Parental Sensitivity Assessment Scale (PSAS) and examines the influence of the PSAS score and other factors on the general cognitive level in pre-school children born with very low birth weight (VLBW). McCarthy general cognitive index (GCI) was obtained for 102 VLBW and 92 normal birth weight (NBW) control children in Denmark in the mid-1980s. The mean ages of the two groups were 52.4 vs. 53.1 months. Parental sensitivity was assessed using PSAS. There was no significant difference in the mean PSAS score between the two birth weight groups (p > 0.3). Birth weight group (p < 0.001) and mother's schooling (p= 0.026) significantly correlated with GCI in the children. The PSAS score was highly significantly correlated to the variance of the GCI (p < 0.001), which was not explained by VLBW and mother's schooling. We found no interactional effect between parental sensitivity and birth weight group (p > 0.5) - the prematurely born children were not more affected by low parental sensitivity than were the control children. 相似文献
905.
Schaal DW 《Journal of the experimental analysis of behavior》2005,84(3):683-692
Bennett and Hacker use conceptual analysis to appraise the theoretical language of modern cognitive neuroscientists, and conclude that neuroscientific theory is largely dualistic despite the fact that neuroscientists equate mind with the operations of the brain. The central error of cognitive neuroscientists is to commit the mereological fallacy, the tendency to ascribe to the brain psychological concepts that only make sense when ascribed to whole animals. The authors review how the mereological fallacy is committed in theories of memory, perception, thinking, imagery, belief, consciousness, and other psychological processes studied by neuroscientists, and the consequences that fallacious reasoning have for our understanding of how the brain participates in cognition and behavior. Several behavior-analytic concepts may themselves be nonsense based on thorough conceptual analyses in which the criteria for sense and nonsense are found in the ways the concepts are used in ordinary language. Nevertheless, the authors' nondualistic approach and their consistent focus on behavioral criteria for the application of psychological concepts make Philosophical Foundations of Neuroscience an important contribution to cognitive neuroscience. 相似文献
906.
The professional literature has recently given attention to addressing individual schemas in couples relationships, with particular emphasis on the fact that individual vulnerability has a significant impact on couples relationships. This article addresses how this vulnerability can be restructured during the course of couples therapy. Case vignettes are used to illustrate how the model can be applied. Some of the implications of this model are considered in the discussion section.Authors note: Portions of this article were published in Norwegian by the first author and appear in Nordby, T.T. (2002): Kognitiv parterapi. En tilnærming som ivaretar betydningen av den individuelle sårbarheten i samspillet. Reprinted by permission of Fokus på familien 30, 46–60. 相似文献
907.
Roger A. Olsen 《Pastoral Psychology》2005,53(3):267-279
Much of psychology has minimized, or disregarded, the notion of free will. However, it remains a critical construct in most theories of behavioral and religious change. This paper briefly examines the free will/determinism debate and the construct of free will from the perspective of postmodern/narrative psychology, as well as integrating recent developments in the field of cognitive neuroscience. Finally, the implications of this analysis on personal responsibility in pastoral psychology are discussed. 相似文献
908.
Ardila A 《Neuropsychology review》2005,15(4):185-195
It is proposed that culture (values, beliefs, styles of behavior) can affect neuropsychological testing.Cognitive testing
represents a social situation that-as any social situation, it is one governed by implicit cultural rules. At least eight
different culture-dependent values underlie cognitive testing: (1)One-to-one relationship, (2) Background authority, (3) Best
performance, (4)Isolated environment (5) Special type of communication, (6) Speed, (7) Internal or subjective issues, and
(8) The use of specific testing elements and strategies. In addition, it is proposed that“the distance” (e.g., gender, age,
ethnicity) between the examiner and the examinee may potentiallyimpact the testing situation. A special analysis regarding
the function of instruction in cognitive tests is also presented emphasizing that test instruction interpretation is also
culture-dependent. Some potential avenues of research are finally proposed. 相似文献
909.
Contemporary theories of learning postulate one or at most a small number of different learning mechanisms. However, people are capable of mastering a given task through qualitatively different learning paths such as learning by instruction and learning by doing. We hypothesize that the knowledge acquired through such alternative paths differs with respect to the level of abstraction and the balance between declarative and procedural knowledge. In a laboratory experiment we investigated what was learned about patterned letter sequences via either direct instruction in the relevant patterns or practice in solving letter-sequence extrapolation problems. Results showed that both types of learning led to mastery of the target task as measured by accuracy performance. However, behavioral differences emerged in how participants applied their knowledge. Participants given instruction showed more variability in the types of strategies they used to articulate their knowledge as well as longer solution times for generating the action implications of that knowledge as compared to the participants given practice. Results are discussed regarding the implications for transfer, generalization, and procedural application. Learning theories that claim generality should be tested against cross-scenario phenomena, not just parametric variations of a single learning scenario. 相似文献
910.
Theories of analogical reasoning have assumed that a 1-to-1 constraint discourages reasoners from mapping a single element in 1 analog to multiple elements in another. Empirical evidence suggests that reasoners sometimes appear to violate the one-to-one constraint when asked to generate mappings, yet virtually never violate it when asked to generate analogical inferences. However, few studies have examined analogical inferences based on nonisomorphic analogs, and their conclusions are suspect due to methodological problems. We sought to elicit mixed inferences that could result from combining information from 2 possible mappings. Participants generated 2-to-1 correspondences when asked for explicit mappings, but did not produce mixed inferences. Multiple correspondences appear to arise from multiple isomorphic mappings, rather than from a single homomorphic mapping. 相似文献