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241.
A dual-process approach to health risk decision making: The prototype willingness model 总被引:1,自引:0,他引:1
Meg Gerrard Frederick X. Gibbons Amy E. Houlihan Michelle L. Stock Elizabeth A. Pomery 《Developmental Review》2008,28(1):29
Although dual-process models in cognitive, personality, and social psychology have stimulated a large body of research about analytic and heuristic modes of decision making, these models have seldom been applied to the study of adolescent risk behaviors. In addition, the developmental course of these two kinds of information processing, and their relation to the development of self-regulation are not well understood at this time. The current paper reviews what leading dual-process models have to say about the development of analytic and heuristic decision making, and their implications for adolescent risk behavior. In addition, it reviews research on the prototype willingness model of adolescent decision making—a dual-process model designed specifically to address non-intentional, but volitional adolescent risk behavior. It also discusses the implications of dual-process models for intervention research. 相似文献
242.
Studies investigating changes in functional cerebral asymmetries (FCAs) with hormonal fluctuations during the menstrual cycle in young women have led to controversial hypotheses about an influence of estrogen (E) and/or progesterone (P) on FCAs. Based on methodical, but also on principal problems in deriving conclusions about hormone effects from correlational designs, the present study investigated hemispheric asymmetries in postmenopausal women, who received hormone replacement either with E alone (E group, n = 32), an E–P combination (E–P group, n = 29) or no hormone substitution (control group, n = 31). Speed and accuracy of responses to a word- and a face decision task, both presented laterally by means of the visual half field technique, were assessed. The control group showed the typical pattern of hemispheric asymmetry with more correct responses to verbal stimuli presented in the right visual field (RVF) and to face stimuli presented in the left visual field (LVF). A hormone-effect was demonstrable only for the verbal task, in which the E group showed an enhanced performance of the right hemisphere (LVF). The E–P group showed no significant differences to the control group or the E group. The results suggest a role of E in the modulation of FCAs at least with regard to verbal processing. 相似文献
243.
传统空间语言学研究范式已经难以适应符号学当前研究的需要,本文探讨了以虚拟现实技术为支持的虚拟空间语言学的现存研究范例及其在下列七大方面的创新点 :兼顾高内部效度和外部效度、保证个人空间的无意识加工特性、可精确控制非言语行为额外变量、保证凝视的平衡作用、实现拥挤压力源的实验研究、实现对实验环境和实验刺激精确的可重复性、优化传统数据收集方法。最终提出了该创新研究范式在本土化符号学和跨文化非言语交际学研究领域中所呈现出的重要理论价值和实践意义。 相似文献
244.
Ivey G 《The International journal of psycho-analysis》2008,89(1):19-38
This critical review of the current disputes concerning countertransference enactment systematically outlines the various issues and the perspectives adopted by the relevant psychoanalytic authors. In the light of this the 'common ground ' hypothesis concerning the unifying influence of contemporary countertransference theory is challenged. While the existence of enactments, minimally defined as the analyst's inadvertent actualization of the patient's transference fantasies, is widely accepted, controversies regarding the specific scope, nature, prevalence, relationship to countertransference experience, impact on the analytic process, role played by the analyst's subjectivity, and the correct handling of enactments abound. Rather than taking a stand based on ideological allegiance to any particular psychoanalytic school or philosophical position, the author argues that the relative merits of contending perspectives is best evaluated with reference to close process scrutiny of the context, manifestation and impact of specific enactments on patients' intrapsychic functioning and the analytic relationship. A detailed account of an interpretative enactment provides a context for the author's position on these debates. 相似文献
245.
246.
ANTONINO FERRO 《The International journal of psycho-analysis》2006,87(4):989-1003
The author focuses on some clinical implications of Bion's thought. He takes into particular consideration the great technical importance of Bion's concept of 'waking dream thought'. He also proposes some developments of Bion's thought. Psychoanalytic exercises like those suggested by Bion are presented along with clinical material in order to render the author's theoretical-technical ideas as clear as possible. Furthermore, he deals with the fertile connection between Bion's theories and the fi eld concept in psychoanalysis. 相似文献
247.
Aaron Preston 《Metaphilosophy》2004,35(4):445-465
Abstract: The careful historical and metaphilosophical attention recently bestowed upon analytic philosophy has revealed that traditional ways of defining it are inadequate. In the face of this inadequacy, contemporary authors have proposed new definitions that detach analytic philosophy from its turn of the twentieth century origins. I argue that this contemporary trend in defining analytic philosophy is misguided, and that it diminishes the likelihood of our coming to an accurate historical and metaphilosophical understanding of it. This is especially unsatisfactory since such understanding is essential to finding an adequate remedy for the widely perceived ills of contemporary analytic philosophy. I suggest that a more fruitful approach to developing such understanding might begin with treating the unity of analytic philosophy as illusory. 相似文献
248.
Gudrun Schwarzer 《Infant and child development》2002,11(3):253-269
The present experiments examined the degree to which analytic and holistic modes of processing play a role in the way 2–5‐year‐old children process facial and non‐facial visual stimuli. Children between 2 and 5 years of age were instructed to categorize faces (in Experiment 1) and non‐facial visual stimuli, such as birds and planes (in Experiment 2), into two categories. The categories were so constructed as to allow the children to categorize the facial and non‐facial stimuli either analytically (by focusing on a single attribute) or holistically (in terms of overall similarity). The results demonstrated that the previous conclusions concerning older children's (from 6 years onwards) holistic mode of facial processing could not be generalized to younger children because most of the 2–5‐year olds processed the faces by taking single facial attributes into account. A similar pattern of results emerged for the processing of objects, showing that the majority of the children focused on single attributes. Thus, for both visual domains, holistic processing was the exception rather than the rule. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
249.
Candice M. Chavez James L. McGaugh Norman M. Weinberger 《Neurobiology of learning and memory》2009,91(4):382-392
Stress hormones released by an experience can modulate memory strength via the basolateral amygdala, which in turn acts on sites of memory storage such as the cerebral cortex [McGaugh, J. L. (2004). The amygdala modulates the consolidation of memories of emotionally arousing experiences. Annual Review of Neuroscience, 27, 1–28]. Stimuli that acquire behavioral importance gain increased representation in the cortex. For example, learning shifts the tuning of neurons in the primary auditory cortex (A1) to the frequency of a conditioned stimulus (CS), and the greater the level of CS importance, the larger the area of representational gain [Weinberger, N. M. (2007). Associative representational plasticity in the auditory cortex: A synthesis of two disciplines. Learning & Memory, 14(1–2), 1–16]. The two lines of research suggest that BLA strengthening of memory might be accomplished in part by increasing the representation of an environmental stimulus. The present study investigated whether stimulation of the BLA can affect cortical memory representations. In male Sprague–Dawley rats studied under urethane general anesthesia, frequency receptive fields were obtained from A1 before and up to 75 min after the pairing of a tone with BLA stimulation (BLAstm: 100 trials, 400 ms, 100 Hz, 400 μA [±16.54]). Tone started before and continued after BLAstm. Group BLA/1.0 (n = 16) had a 1 s CS–BLAstm interval while Group BLA/1.6 (n = 5) has a 1.6 s interval. The BLA/1.0 group did develop specific tuning shifts toward and to the CS, which could change frequency tuning by as much as two octaves. Moreover, its shifts increased over time and were enduring, lasting 75 min. However, group BLA/1.6 did not develop tuning shifts, indicating that precise CS–BLAstm timing is important in the anesthetized animal. Further, training in the BLA/1.0 paradigm but stimulating outside of the BLA did not produce tuning shifts. These findings demonstrate that the BLA is capable of exerting highly specific, enduring, learning-related modifications of stimulus representation in the cerebral cortex. These findings suggest that the ability of the BLA to alter specific cortical representations may underlie, at least in part, the modulatory influence of BLA activity on strengthening long-term memory. 相似文献
250.
A real-world open-field search task was implemented with humans as an analogue of Blaisdell and Cook’s (Anim Cogn 8:7–16,
2005) pigeon foraging task and Sturz, Bodily, and Katz’s (Anim Cogn 9:207–217, 2006) human virtual foraging task to 1) determine whether humans were capable of integrating independently learned spatial maps
and 2) make explicit comparisons of mechanisms used by humans to navigate real and virtual environments. Participants searched
for a hidden goal located in one of 16 bins arranged in a 4 × 4 grid. In Phase 1, the goal was hidden between two landmarks
(blue T and red L). In Phase 2, the goal was hidden to the left and in front of a single landmark (blue T). Following training,
goal-absent trials were conducted in which the red L from Phase 1 was presented alone. Bin choices during goal-absent trials
assessed participants’ strategies: association (from Phase 1), generalization (from Phase 2), or integration (combination of Phase 1 and 2). Results were inconsistent with those obtained with pigeons but were consistent with those
obtained with humans in a virtual environment. Specifically, during testing, participants did not integrate independently
learned spatial maps but used a generalization strategy followed by a shift in search behavior away from the test landmark.
These results were confirmed by a control condition in which a novel landmark was presented during testing. Results are consistent
with the bulk of recent findings suggesting the use of alternative navigational strategies to cognitive mapping. Results also
add to a growing body of literature suggesting that virtual environment approaches to the study of spatial learning and memory
have external validity and that spatial mechanisms used by human participants in navigating virtual environments are similar
to those used in navigating real-world environments. 相似文献