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101.
Audiotactile temporal order judgments 总被引:3,自引:0,他引:3
We report a series of three experiments in which participants made unspeeded 'Which modality came first?' temporal order judgments (TOJs) to pairs of auditory and tactile stimuli presented at varying stimulus onset asynchronies (SOAs) using the method of constant stimuli. The stimuli were presented from either the same or different locations in order to explore the potential effect of redundant spatial information on audiotactile temporal perception. In Experiment 1, the auditory and tactile stimuli had to be separated by nearly 80 ms for inexperienced participants to be able to judge their temporal order accurately (i.e., for the just noticeable difference (JND) to be achieved), no matter whether the stimuli were presented from the same or different spatial positions. More experienced psychophysical observers (Experiment 2) also failed to show any effect of relative spatial position on audiotactile TOJ performance, despite having much lower JNDs (40 ms) overall. A similar pattern of results was found in Experiment 3 when silent electrocutaneous stimulation was used rather than vibrotactile stimulation. Thus, relative spatial position seems to be a less important factor in determining performance for audiotactile TOJ than for other modality pairings (e.g., audiovisual and visuotactile). 相似文献
102.
103.
Niels Birbaumer Thomas Elbert Brigitte Rockstroh Werner Lutzenberger 《International journal of psychology》1981,16(1-4):389-415
A biofeedback paradigm was developed for self-regulation of cortical DC-shifts. Subjects received continuous visual feedback of their actual DC-shift during six sec. intervals. Feedback trial series alternated with transfer test trial series. Several studies demonstrated that subjects are able to achieve cortical self-regulation which is maintained and even improved in transfer test trials. This method is used to investigate the covariation of DC-shifts and performance in reaction time tasks, mental tasks and signal detection by varying DC-shifts systematically. The procedure was also applied to different patient groups to test the functional significance of distinct brain regions and to explore deficits in patient groups. 相似文献
104.
Brigitte Allain-Dupré 《The Journal of analytical psychology》1998,43(4):545-558
The author aims to demonstrate the activation in the transference relationship of a figure representing 'sameness' in a number of forms. In the first clinical vignette, she shows how a child projects his own difficulty symmetrically on to the analyst, with the aim of creating the conjunction of opposites which the psyche needs for its growth.
During the archetypal reworking which adolescence provides we again find this figure of 'sameness' in the foreground, in the phase of homosexual object choice. A second clinical vignette shows how this figure of 'sameness' can be represented in the fantasy or the desire of becoming an analyst.
The author puts forward the hypothesis that this fantasy represents an imago whose characteristics include being a tool for linking feeling and thinking in the inner world; it is constituted in the entre deux , the space between self and other, and, like Winnicott's transitional object, it facilitates the capacity to symbolize. Being 'off centre' with regard to infantile positions in relation to the parental imagos, this imago offers a vantage point for 'evaluation' ( sich auseinandersetzen ) and 'consideration' ( betrachten ). Finally this imago is transistory, because its destiny is to be deconstructed (as shown in the third clinical vignette which concerns an adult patient), in order to be integrated through the work of analysis. 相似文献
During the archetypal reworking which adolescence provides we again find this figure of 'sameness' in the foreground, in the phase of homosexual object choice. A second clinical vignette shows how this figure of 'sameness' can be represented in the fantasy or the desire of becoming an analyst.
The author puts forward the hypothesis that this fantasy represents an imago whose characteristics include being a tool for linking feeling and thinking in the inner world; it is constituted in the entre deux , the space between self and other, and, like Winnicott's transitional object, it facilitates the capacity to symbolize. Being 'off centre' with regard to infantile positions in relation to the parental imagos, this imago offers a vantage point for 'evaluation' ( sich auseinandersetzen ) and 'consideration' ( betrachten ). Finally this imago is transistory, because its destiny is to be deconstructed (as shown in the third clinical vignette which concerns an adult patient), in order to be integrated through the work of analysis. 相似文献
105.
Meyers Maria Christina Kooij Dorien Kroon Brigitte de Reuver Renee van Woerkom Marianne 《Applied research in quality of life》2020,15(2):485-502
Applied Research in Quality of Life - Personal strengths are those characteristics that allow us to be at our best, that is, to deliver high performance while feeling happy and energized. Research... 相似文献
106.
Schulz-Klaus B 《Stress (Amsterdam, Netherlands)》2009,12(2):186-192
Exposure to stress leads to adaptive responses including both behavioral and physiological changes. This process is induced by the activation of multiple brain regions. The present study examined the role of the rostral perirhinal cortex (rPRh) in behavioral changes following electrical foot shock-induced stress. The rPRh of rats was lesioned bilaterally by local microinjections of 10 microg N-methyl-D-aspartic acid (NMDA) before foot shocks (0.7 mA, 1 s). The effects of these lesions on foot shock-induced changes in exploratory behaviors were tested in the open field (4 h, 48 h, 72 h, and 14 days after foot shocks) and the light-dark box (7 days after foot shocks). Foot-shocked and sham-lesioned rats showed several well known behavioral changes in the open field (e.g., immobility, reduction of exploratory activity) most marked at 48 h after foot shocks, and the light-dark box (e.g., reduction of time spent and activity in the lit compartment). All these stress-induced behavioral changes were blocked by neurotoxic lesions of the rPRh. Furthermore, rPRh lesions did not affect behavior in the open field and the light-dark box in unstressed rats. Taken together, these data indicate that the rPRh is involved in neurophysiological mechanisms that mediate changes induced by foot-shock stress in exploratory behaviors which indicate unconditioned fear or anxiety. 相似文献
107.
Temporal order judgements (TOJ) for two tactile stimuli, one presented to the left and one to the right hand, are less precise when the hands are crossed over the midline than when the hands are uncrossed. This ‘crossed hand’ effect has been considered as evidence for a remapping of tactile input into an external reference frame. Since late, but not early, blind individuals show such remapping, it has been hypothesized that the use of an external reference frame develops during childhood. Five‐ to 10‐year‐old children were therefore tested with the tactile TOJ task, both with uncrossed and crossed hands. Overall performance in the TOJ task improved with age. While children older than 5½ years displayed a crossed hand effect, younger children did not. Therefore the use of an external reference frame for tactile, and possibly multisensory, localization seems to be acquired at age 5. 相似文献
108.
Ferry B Herbeaux K Cosquer B Traissard N Galani R Cassel JC 《Neurobiology of learning and memory》2007,88(1):114-126
Conditioned odor aversion (COA) corresponds to the avoidance of an odorized-tasteless solution (conditioned stimulus, CS) previously paired with toxicosis. COA occurs only when the interstimulus interval (ISI) is kept short, suggesting that the memory trace of the odor is subject to rapid decay. Previous experiments have shown that the entorhinal cortex (EC) is involved in the acquisition of COA, since lesion of the EC rendered COA tolerant to long ISI. Because EC lesions induce a septo-hippocampal cholinergic sprouting, the present experiment investigated whether COA tolerance to long ISI may be linked to this sprouting reaction. In a first experiment, male Long-Evans rats subjected to bilateral excitotoxic EC lesions combined to intracerebroventricular infusions of the selective cholinergic immunotoxin 192 IgG-saporin were exposed to odor-toxicosis pairing using a long ISI (120 min). Results showed that EC-lesioned rats displayed COA with the long ISI but not the control groups. In rats with EC combined to 192 IgG-saporin lesions, histological analysis demonstrated no evidence for cholinergic septo-hippocampal sprouting. In a second experiment, animals with 192-IgG saporin lesion showed a marked COA with a short ISI (5 min). These results suggest that the COA with the long ISI found in rats with EC lesions might involve a functional activity related to the EC lesion-induced hippocampal cholinergic sprouting. As the injection of 192 IgG-saporin alone did not affect COA with a short ISI, our data also point to a possible role of hippocampal cholinergic neurons in the modulation of memory processes underlying COA. 相似文献
109.
Anette Frank Hans-Ulrich Krieger Feiyu Xu Hans Uszkoreit Berthold Crysmann Brigitte Jrg Ulrich Schfer 《Journal of Applied Logic》2007,5(1):20-48
We present an implemented approach for domain-restricted question answering from structured knowledge sources, based on robust semantic analysis in a hybrid NLP system architecture. We perform question interpretation and answer extraction in an architecture that builds on a lexical-conceptual structure for question interpretation, which is interfaced with domain-specific concepts and properties in a structured knowledge base. Question interpretation involves a limited amount of domain-specific inferences, and accounts for higher-level quantificational questions. Question interpretation and answer extraction are modular components that interact in clearly defined ways. We derive so-called proto queries from the linguistic representations, which provide partial constraints for answer extraction from the underlying knowledge sources. The search queries we construct from proto queries effectively compute minimal spanning trees from the underlying knowledge sources. Our approach naturally extends to multilingual question answering, and has been developed as a prototype system for two application domains: the domain of Nobel prize winners, and the domain of Language Technology, on the basis of the large ontology underlying the information portal LT World. 相似文献
110.
Gesine Schmücker Karl‐Heinz Brisch Brigitte Khntop Susanne Betzler Margret
sterle Frank Pohlandt Dan Pokorny Manfred Laucht Horst Kchele Anna Buchheim 《Infant mental health journal》2005,26(5):423-441
In this study, we investigated how the birth of a very low birth weight preterm (VLBW) infant influences the mother–infant interaction at 3 months. We also focused on the impact of the infant's neurobiological risk and maternal anxiety, and their interaction. The comparison of the VLBW preterm sample (n = 79) with an external full‐term sample (n = 35) showed mother–infant interactions of the families with the preterm infant to be more vocally responsive during the interaction, but less facially responsive during the interaction. Additionally, higher levels of maternal anxiety were associated with preterm infants being less facially responsive in interaction with their mother. While neurobiological risk of the infant played a part in this association, with higher risk infants also being less facially responsive, the relationship with maternal anxiety and the mother–child interaction was stronger. How these findings may influence therapeutic interventions is discussed. 相似文献