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141.
We [Lazareva, O. F., Freiburger, K. L., & Wasserman, E. A. (2004). Pigeons concurrently categorize photographs at both basic and superordinate levels. Psychonomic Bulletin and Review, 11, 1111-1117] previously trained four pigeons to classify color photographs into their basic-level categories (cars, chairs, flowers, or people) or into their superordinate-level categories (natural or artificial). Here, we found that brief stimulus durations had the most detrimental effect on the basic-level discrimination of natural stimuli by the same pigeons. Increasing the delay between stimulus presentation and choice responding had greater detrimental effect on the basic-level discrimination than the superordinate-level discrimination. These results suggest that basic-level discriminations required longer stimulus durations and were more subject to forgetting than were superordinate-level discriminations. Additionally, categorization of natural stimuli required longer stimulus durations than categorization of artificial stimuli, but only at the basic level. Together, these findings suggest that basic-level categorization may not always be superior to superordinate-level categorization and provide additional evidence of a dissociation between natural and artificial stimuli in pigeons’ categorization. 相似文献
142.
Yuri Alexandrov Brian Feldman Olga Svarnik Irina Znamenskaya Marina Kolbeneva Karina Arutyunova Andrey Krylov Alexandra Bulava 《The Journal of analytical psychology》2020,65(2):345-365
The concept of regression is considered with an emphasis on the differences between the positions of Freud and Jung regarding its significance. The paper discusses the results of experimental analyses of individual experience dynamics (from gene expression changes and impulse neuronal activity in animals to prosocial behaviour in healthy humans at different ages, and humans in chronic pain) in those situations where regression occurs: stress, disease, learning, highly emotional states and alcohol intoxication. Common mechanisms of regression in all these situations are proposed. The mechanisms of regression can be described as reversible dedifferentiation, which is understood as a relative increase of the representation of low-differentiated (older) systems in the actualized experience. In all of the cases of dedifferentiation mentioned above, the complexity of the systemic organization of behaviour significantly decreases. 相似文献
143.
Responding to the color of a word is slower and less accurate if the word refers to a different color (incongruent condition) than if it refers to the same color (congruent condition). This phenomenon, known as the Stroop effect, is modulated by sequential effects: it is bigger when the current trial is preceded by a congruent condition than by an incongruent one in the previous trial. Whether this phenomenon is due to priming mechanisms or to cognitive control is still debated. To disentangle the contribution of priming with respect to conflict adaptation mechanisms in determining sequential effects, two experiments were designed here with a four-alternative forced choice (4-AFC) Stroop task: in the first one only trials with complete alternations of features were used, while in the second experiment all possible types of repetitions were presented. Both response times (RTs) and errors were evaluated. Conflict adaptation effects on RTs were limited to congruent trials and were exclusively due to priming: they disappeared in the priming-free experiment and, in the second experiment, they occurred in sequences with feature repetitions but not in complete alternation sequences. Error results, instead, support the presence of conflict adaptation effects in incongruent trials. In priming-free sequences (Experiment 1 and complete alternation sequences of Experiment 2) with incongruent previous trials there was no error Stroop effect, while this effect was significant with congruent previous trials. These results indicate that cognitive control may modulate performance above and beyond priming effects. 相似文献
144.
Reneerkens OA Rutten K Akkerman S Blokland A Shaffer CL Menniti FS Steinbusch HW Prickaerts J 《Neurobiology of learning and memory》2012,97(4):370-379
A promising target for memory improvement is phosphodiesterase type 5 (PDE5), which selectively hydrolyzes cyclic guanosine monophosphate (cGMP). In rodents, PDE5 inhibitors (PDE5-Is) have been shown to improve memory performance in many behavioral paradigms. However, it is questioned whether the positive effects in animal studies result from PDE5 inhibition in the central nervous system or the periphery. Therefore, we studied the effects of PDE5 inhibition on memory and determined whether compound penetration of the blood-brain barrier (BBB) is required for this activity. Two selective PDE5-Is, vardenafil and UK-343,664, were tested in the object recognition task (ORT) in both a MK-801- and scopolamine-induced memory deficit model, and a time-delay model without pharmacological intervention. Compounds were dosed 30 min before the learning trial of the task. To determine if the PDE5-Is crossed the BBB, their concentrations were determined in plasma and brain tissue collected 30 min after oral administration. Vardenafil improved object recognition memory in all three variants of the ORT. UK-343,664 was ineffective at either preventing MK-801-induced memory disruption or time-dependent memory decay. However, UK-343,664 attenuated the memory impairment of scopolamine. Vardenafil crossed the BBB whereas UK-343,664 did not. Further, co-administration of UK-343,664 and scopolamine did not alter the brain partitioning of either molecule. This suggests that the positive effect of UK-343,664 on scopolamine-induced memory decay might arise from peripheral PDE5 inhibition. The results herein suggest that there may be multiple mechanisms that mediate the efficacy of PDE5 inhibition to improve memory performance in tasks such as the ORT and that these involve PDE5 located both within and outside of the brain. To further elucidate the underlying mechanisms, the cellular and subcellular localization of PDE5 needs to be determined. 相似文献
145.
ABSTRACT This summative evaluation, conducted in Chengdu, Sichuan Province, China, studied whether participation in a conservation education camp positively changed 8–12-year-old children's (a) knowledge of how to protect animals, (b) care about animals, (c) propensity for environmental and wildlife stewardship, and (d) compassionate behavior toward animals and nature. Influenced by conservation psychology, social learning theory, empathy and moral development, constructivism, and conservation biology, 5-day overnight camps were conducted at 2 zoological institutions. Activities were designed to help children form bonds with animals and care enough to positively change their behavior toward animals and nature. Mixed methods, using pre- and postvisit surveys, researcher field notes, vignettes, student journals, an end of camp questionnaire, and a camper behavior ethogram, revealed significant increases in knowledge, care, and propensity for action, and an additional theme, empathy. This study identified effective strategies to promote positive behavior toward animals, empathy, and conservation behavior. 相似文献
146.
Helena García-Llana Eduardo Remor Gloria del Peso Olga Celadilla Rafael Selgas 《Journal of clinical psychology in medical settings》2014,21(1):103-115
Low rates of adherence to medical treatments and adverse emotional states are a widespread problem in advanced chronic kidney disease (ACKD). Motivational interviewing using the stages of change model is an effective combination in promoting behavior modifications. The objective of the present study was to determine the effectiveness of an individual, pre-dialysis intervention program (monthly sessions of 90 min over a 6-month period) in terms of adherence, emotional state and health-related quality of life (HRQL). Forty-two patients were evaluated for adherence, depression, anxiety and HRQL with standardized self-report questionnaires. Biochemical markers were also registered. The results show that after the intervention, patients reported significantly higher levels of adherence, lower depression and anxiety levels, and better HRQL (i.e., general health and emotional role domains). Biochemical parameters were controlled significantly better after the intervention, except for iPTH. These findings highlight the potential benefit of applying individual psycho-educational intervention programs based on motivational interviewing and using the stages of change model to promote adherence and wellbeing in ACKD patients. 相似文献
147.
Pace Ugo D’Urso Giulio Zappulla Carla Di Maggio Rosanna Aznar Melina Aparici Vilageliu Olga Soler Muscarà Marinella 《Journal of child and family studies》2022,31(1):220-227
Journal of Child and Family Studies - In the current study we investigated the relationship between ethnic prejudice and resilience and the perception of inclusion of immigrant students among... 相似文献
148.
Whitfield Tim Barnhofer Thorsten Acabchuk Rebecca Cohen Avi Lee Michael Schlosser Marco Arenaza-Urquijo Eider M. Böttcher Adriana Britton Willoughby Coll-Padros Nina Collette Fabienne Chételat Gaël Dautricourt Sophie Demnitz-King Harriet Dumais Travis Klimecki Olga Meiberth Dix Moulinet Inès Müller Theresa Parsons Elizabeth Sager Lauren Sannemann Lena Scharf Jodi Schild Ann-Katrin Touron Edelweiss Wirth Miranka Walker Zuzana Moitra Ethan Lutz Antoine Lazar Sara W. Vago David Marchant Natalie L. 《Neuropsychology review》2022,32(3):677-702
Neuropsychology Review - Mindfulness-based programs (MBPs) are increasingly utilized to improve mental health. Interest in the putative effects of MBPs on cognitive function is also growing. This... 相似文献
149.
Mariane?KrauseEmail author Olga María?Fernández Barbara?Br?utigam 《Psychotherapeut》2015,60(5):419-425
Background
This study investigated the effectiveness of therapeutic processes with adolescents depending on (1) the quality of the therapeutic relationship, (2) generic change indicators and (3) the appearance of specific forms of communication in the initial phase of therapeutic processes. The study concentrated on investigation of the first three initial therapy sessions and was interested in the possible association of these three variables with positive outcomes and in the young patients remaining in therapy.Material and methods
A total of 20 therapeutic processes, which took place in Santiago de Chile, were examined. Participants were 15 female and 5 male adolescents between 13 and 17 years old and suffering from different psychological disorders. The Chilean version of Horvath’s working alliance inventory, Generic Change Indicators, the Therapeutic Activity Coding System (TACS), Lambert’s outcome questionnaire OQ-45.2 and adherence in terms of completing or not completing therapy were used to assess process and outcome variables.Results
The three variables measured in the initial phase of therapy with adolescents, i.e. therapeutic alliance, generic change indicators and communicative actions showed a relationship with the therapeutic results in terms of adherence to therapy as well as outcome.Discussion
The results indicate the necessity of a greater inclusion of the perspective of adolescents in the therapeutic process.150.