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101.
K.B. Clark D.C. Smith D.L. Hassert R.A. Browning D.K. Naritoku R.A. Jensen 《Neurobiology of learning and memory》1998,70(3):364-373
Peripherally administered or released substances that modulate memory storage, but do not freely enter the brain, may produce their effects on memory by activating peripheral receptors that send messages centrally through the vagus nerve. Indeed, vagus nerve stimulation enhances memory performance, although it is unclear whether this effect is due to the activation of vagal afferents or efferents. To eliminate the possible influence of descending fibers on memory storage processes, rats were implanted with cuff electrode/catheter systems along the left cervical vagus. Forty-eight hours following surgery, each animal received a 3.0-μl infusion (1.0 μl/min) of either lidocaine hydrochloride (75.0 mM) or isotonic saline below the point of stimulation. Animals were then trained 10 min later on an inhibitory-avoidance task with a 0.75-mA, 1.0-s foot shock. Sham stimulation or vagus nerve stimulation (0.5-ms biphasic pulses; 20.0 Hz; 30 s; 0.2, 0.4, or 0.8 mA) was administered immediately after training. Memory, tested 24 h later, was enhanced by stimulation whether descending vagus nerve fibers were inactivated or not. Both lidocaine- and saline-infused groups showed an intensity-dependent, inverted-U-shaped pattern of retention performance, with the greatest effect observed for 0.4 mA (U= 9,p< .05, andU= 7,p< .01, respectively). Additionally, animals that received lidocaine infusions, but no vagus nerve stimulation, showed impaired memory compared to the performance of saline-infused control animals (U= 11,p< .05). Together, these findings suggest that vagal afferents carry messages about peripheral states that lead to the modulation of memory storage and that the memory-enhancing effect produced by vagus nerve stimulation is not mediated via the activation of vagal efferents. 相似文献
102.
Three related, exploratory studies were carried out in order to ascertain the occurrence and nature of normal obsessions, and to relate them to abnormal obsessions. The subjects included 8 obsessional patients, and up to 124 non-clinical subjects.Broadly, the findings were that normal obsessions are a common experience and they resemble the form of abnormal obsessions. They also show some notable similarities of content. However normal and abnormal obsessions differ in several respects, including frequency, duration, intensity and consequences, among others.With repeated practice, the frequency, duration and discomfort of obsessions are observed to decrease. Overall, the findings are considered to be consistent with the noxious stimulus cum habituation theory. 相似文献
103.
Padmal De Silva 《Behaviour research and therapy》1984,22(6):661-678
There has been in recent years a growing interest in the similarities between Buddhism and the principles and practice of behaviour modification. Mikulas, for example, has pointed out many similarities and argued for greater integration. The present paper examines the literature of Early Buddhism with a view to assessing how far its approach is similar to that of behaviour modification and to examine some specific behaviour-change techniques used in Early Buddhism in relation to similar techniques developed and used by modern behaviour therapists. The implications of these findings are discussed in relation to theory and clinical practice. 相似文献
104.
Anderson Jonas das Neves Ana Claudia Moreira Almeida-Verdu Leandra Tabanez do Nascimento Silva Adriane Lima Mortari Moret Deisy das Graças de Souza 《Behavioral Interventions》2023,38(2):376-400
Research supports equivalence-based instruction (EBI) and matrix training for increased listening and speaking skills in children with cochlear implants (CI). We incorporated errorless procedures to optimize the EBI and evaluated the effects on the auditory comprehension and verbal responding at-sentences level in six CI children who were readers and showed inaccurate tacting. Subject-verb-object sentences were arranged in two matrices; diagonal combinations were trained and evaluated non-diagonal combinations. EBI included stimulus fading and exclusion to directly teach the dictated sentence-picture matching; written-sentences construction upon dictation also was taught. Probes assessed the derived stimulus-stimulus and stimulus-response relations. All participants learned the auditory-visual discriminations and the exclusion resulted in fewer errors than on a stimulus fading procedure. Five participants formed equivalence classes and increased verbal responding to equivalent stimuli, especially pictures tacting. They also showed recombinative generalization for both matrices. Professionals can incorporate errorless procedures to EBI for improving sentence comprehension, tacting, and productivity in CI children. 相似文献
105.
Animal Cognition - The use of anvils to strike prey is a behavior observed in some species of birds around the world. Here, I investigated the use of anvils by the Great Kiskadee (Pitangus... 相似文献
106.
Psychotherapists’ psychological well-being: The role of epistemic orientation and emotion regulation
Emanuel Missias Silva Palma Sônia Maria Guedes Gondim 《Counselling and Psychotherapy Research》2023,23(2):478-486
Psychotherapists’ mental health has been traditionally associated with the harmful consequences of clinical practice. In contrast to this dominant model, a growing body of research in positive psychology has sparked an interest in therapists’ positive well-being. The main objective of this study was to examine the relations between therapists’ epistemic orientation modes, emotion regulation strategies and psychological well-being (PWB). This was a cross-sectional study in which participants were 674 therapists (78.5% women), with a mean age of 42.02 years (SD = 13.06). Therapists completed an online questionnaire containing self-report measures of all study variables. Structural equation modelling using latent variables was performed to test the study hypotheses. Results revealed no significant direct effects of epistemic orientation on PWB. Up- and downregulation strategies had the most substantial direct effects on total PWB. Furthermore, emotion regulation mediated the association between therapists’ epistemic orientation modes and PWB, accounting for 57% of the variance in the outcome variable. Implications for training, practice and therapist self-care are discussed. 相似文献
107.
108.
J. R. Silva P. Fernández-Navarro C. Rosa M. M. Gonçalves 《Journal of constructivist psychology》2020,33(3):263-278
This paper explores a dialogical operationalization of identity fusion in the context of football firms. An in-depth life story interview with a longstanding member of a football firm involved in several violent episodes was qualitatively analyzed. The variety of positions of the self (I-positions) as well as the dialogical relations established by such positions were examined under themes associated with identity fusion, in an attempt to understand pro-group radical violent behavior. Results suggest that a core coalition of internal I-positions and external We-positions favoring extreme ultra violence appeared to dominate the participant’s self-system. This coalition seemed to have soft boundaries among the positions compounding it and, at the same time, rigid boundaries with other positions of the self-system, operating as an I-prison, preventing alternative counter-violence voices to be heard and promoter or meta-positions to emerge. Considering that functionally equivalent forms of identity fusion have been identified in radical football violence and terrorism, this knowledge can contribute to tackle the pathways for engaging in extreme violence in favor of a group/organization. Moreover, it can be used to develop more effective programs to promote individuals’ de-fusion from different groups, whenever group adherence proves dysfunctional and risky for themselves and/or others. 相似文献
109.
do Nascimento Bianca Gomes Oliveira Hingrid Suzzan Tarso Oliveira e Silva Hadda Tercya Lima de Siqueira-Silva Diógenes Henrique Lima-Maximino Monica Maximino Caio 《Animal cognition》2020,23(5):965-972
Animal Cognition - Orienting responses (ORs) are whole-organism reflexes that are elicited by innocuous stimuli, and which decrease in magnitude after stimulus repetition. ORs represent relatively... 相似文献
110.
da Silva FC 《Journal of the history of the behavioral sciences》2006,42(1):19-39
My aim is to discuss the history of the reception of George Herbert Mead's ideas in sociology. After discussing the methodological debate between presentism and historicism, I address the interpretations of those responsible for Mead's inclusion in the sociological canon: Herbert Blumer, Jürgen Habermas, and Hans Joas. In the concluding section, I assess these reconstructions of Mead's thought and suggest an alternative more consistent with my initial methodological remarks. In particular, I advocate a reconstruction of Mead's ideas that apprehends simultaneously its evolution over time and its thematic breadth. Such a historically minded reconstruction can be not only a useful corrective to possible anachronisms incurred by contemporary social theorists, but also a fruitful resource for their theory-building endeavors. Only then can meaningful and enriching dialogue with Mead begin. 相似文献