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181.
Bernhard Lauth 《Synthese》2002,130(1):163-172
182.
183.
Two experiments were performed to investigate the organization of spatial information in perception and memory. Participants
were confronted with map-like configurations of objects which were grouped by color (Experiment 1) or shape (Experiment 2)
so as to induce cognitive clustering. Two tasks were administered: speeded verification of spatial relations between objects
and unspeeded estimation of the Euclidean distance between object pairs. In both experiments, verification times, but not
distance estimations, were affected by group membership. Spatial relations of objects belonging to the same color or shape
group were verified faster than those of objects from different groups, even if the spatial distance was identical. These
results did not depend on whether judgments were based on perceptually available or memorized information, suggesting that
perceptual, not memory processes were responsible for the formation of cognitive clusters.
Received: 7 October 1999 / Accepted: 17 February 2000 相似文献
184.
A brain model is proposed which describes its structural organization and the related functions as compartments organized in time and space. On a molecular level the negative feedback loops of clock-controlled genes are interpreted as compartments. This spatio-temporal operational principle may also work on the cellular level as glial-neuronal interactions, wherein glia have a spatio-temporal boundary setting function. The synchronization of the multi-compartmental operations of the brain is compared to the harmonization in a symphony and appears as an integrated behavior of the whole organism, defined as modes of behavior. For explanation of the principle of harmonization, an example from Schubert's Symphony No. 8 has been chosen. While harmonization refers to the synchronization of diverse systems, it seems appropriate to select the brain of a composer and the structure of musical composition as a paradigm towards a glial-neuronal brain theory. Finally, some limitations of experimental brain research are discussed and robotics are proposed as a promising alternative. 相似文献
185.
Manfred E. Beutel Ulrich Bahrke Georg Fiedler Martin Hautzinger Lisa Kallenbach Johannes Kaufhold Wolfram Keller Alexa Negele Bernhard Rüger Marianne Leuzinger-Bohleber Mareike Ernst 《Psychotherapeut》2016,61(6):468-475
The study on long-term therapy of chronic depression (LAC depression study) is one of the first prospective studies to compare psychoanalytic with cognitive behavioral long-term treatment and also investigates the impact of patient assignment by randomization and preference. This comprehensive multicenter study combines a naturalistic and a randomized controlled approach. The long-term follow-up is based on a broad spectrum of quantitative and qualitative research methods and is expected to contribute to the further development of psychotherapeutic treatment methods in this hard to treat patient group as well as to research on the effectiveness of long-term treatment. The background, design and current state of the assessment are presented. A total of 402 patients with chronic depression were included in the trial and the 1 and 2?year follow-up results are currently being analyzed. 相似文献
186.
Dorr et al. (Philos Stud 170:277–287, 2014) present a case that poses a challenge for a number of plausible principles about knowledge and objective chance. Implicit in their discussion is an interesting new argument against KK, the principle that anyone who knows p is in a position to know that they know p. We bring out this argument, and investigate possible responses for defenders of KK, establishing new connections between KK and various knowledge-chance principles. 相似文献
187.
The costs and benefits of cross-task priming 总被引:1,自引:0,他引:1
Two lines of research on cross-task priming yield opposite results. Research on repetition priming observed positive priming, whereas research on the role of priming in task-switching observed negative effects. We combined the two types of design. In the transfer phase of our paradigm, subjects performed task B either as a pure block (BBB) or as a switch block (ABAB). We presented items which were either unprimed or primed by prior presentation during a preceding priming phase performed on task A. Amongst others, the priming effect is determined by two factors: First, the more operation time the system needs during the probe event, the higher the likelihood to obtain priming. Protracting operation time by reducing stimulus quality favors positive priming, whereas providing more operation time by making subjects switch between tasks favors negative priming. Second, the strength of the memory trace of the prime event determines whether that trace can possibly yield negative priming, in that only strong traces can be retrieved together with the associated task/response. 相似文献
188.
Hommel B 《Psychological research》2007,71(1):42-63
Five experiments investigated the spontaneous integration of stimulus and response features. Participants performed simple, prepared responses (R1) to the mere presence of Go signals (S1) before carrying out another, freely chosen response (R2) to another stimulus (S2), the main question being whether the likelihood of repeating a response depends on whether or not the stimulus, or some of its features, are repeated. Indeed, participants were more likely to repeat the previous response if stimulus form or color was repeated than if it was alternated. The same was true for stimulus location, but only if location was made task-relevant, whether by defining the response set in terms of location, by requiring the report of S2 location, or by having S1 to be selected against a distractor. These findings suggest that task-relevant stimulus and response features are spontaneously integrated into independent, local event files, each linking one stimulus to one response feature. Upon reactivation of one member of the binary link activation is spread to the other, thereby increasing the likelihood to repeat a response if one or more stimulus features are repeated. These findings support the idea that both perceptual events and action plans are cognitively represented in terms of their features, and that feature-integration processes cross borders between perception and action. 相似文献
189.
The authors argue that human sequential learning is often but not always characterized by a shift from stimulus- to plan-based action control. To diagnose this shift, they manipulated the frequency of 1st-order transitions in a repeated manual left-right sequence, assuming that performance is sensitive to frequency-induced biases under stimulus- but not plan-based control. Indeed, frequency biases tended to disappear with practice, but only for explicit learners. This tendency was facilitated by visual-verbal target stimuli, response-contingent sounds, and intentional instructions and hampered by auditory (but not visual) noise. Findings are interpreted within an event-coding model of action control, which holds that plans for sequences of discrete actions are coded phonetically, integrating order and relative timing. The model distinguishes between plan acquisition, linked to explicit knowledge, and plan execution, linked to the action control mode. 相似文献
190.
Bernhard Fink Nick Neave Gayle Brewer Boguslaw Pawlowski 《Personality and individual differences》2007,43(8):2249-2257
In contemporary Western populations, some physical characteristics are sexually dimorphic, and it is known that these traits also affect human mate preferences. Height is one such characteristic, and evidence suggests that females prefer taller over shorter males, indeed, taller males have been found to have greater reproductive success. However, relative height is also important with ‘Sexual Dimorphism in Stature’ (SDS) calculated as male height/female height. Pawlowski (2003) showed that people adjust their preferences for SDS in relation to their own height in order to increase their potential pool of partners. The aim of the present study was to replicate Pawlowski’s study on a larger sample of participants, and to investigate the universality of the reported preference adjustment within European societies. We present data of 1102 men and women from three countries (Germany, Austria, and the UK) that confirm Pawlowski’s original data on a Polish sample. Moreover, the mechanism of an adjustment of SDS preferences in relation to own height was found in all three countries, suggesting that height dependent partner preference is a genuine feature in Western societies. 相似文献