نتایج جستجو برای: safavid period
تعداد نتایج: 490541 فیلتر نتایج به سال:
We investigated whether concurrent processing of a tone (T1) interferes with early sensory-perceptual processing of a visual target (T2) in variants of the psychological refractory period paradigm using the event-related potential (ERP) method and 70-channel electroencephalographic recordings. T1, which required a speeded response, was presented in all trials. In half of the trials, T1 was foll...
M. A. Van Selst, E. Ruthruff, and J. C. Johnston (1999) found that practice dramatically reduced dual-task interference in a Psychological Refractory Period (PRP) paradigm with 1 vocal response and 1 manual response. Results from 3 further experiments using the highly trained participants of M. A. Van Selst et al. (1999) support 4 main conclusions: (a) A processing bottleneck exists even after ...
Aging and the psychological refractory period: task-coordination strategies in young and old adults.
The apparently deleterious effect of aging on dual-task performance is well established, but there is little agreement about the source of this effect. Studies of the psychological refractory period (PRP) indicate that young adults can flexibly control dual-task performance through task-coordination strategies. Thus, the performance of older adults might differ from young adults because older a...
Why is the human brain fundamentally limited when attempting to execute two tasks at the same time or in close succession? Two classical paradigms, psychological refractory period (PRP) and task switching, have independently approached this issue, making significant advances in our understanding of the architecture of cognition. Yet, there is an apparent contradiction between the conclusions de...
The recognition of main urban elements, specially the holy monuments, have had changed a lot in the image of the Islamic city since past to present. Façade, height and position of building are some of the ways of making recognition. In each period, some of the buildings with specific activities are recognized. Buildings which was mosque, bazaar, monastery, tomb, bath, reservoir, mounth, school ...
Due to rainfall and climatic conditions, Guilan province owns several bridges from past historical periods. The present study investigates the typology and recognition of factors affecting the formation of Safavid and Qajar historical bridges in Guilan province. The research seeks to answer the following questions; which factors have been effective in the formation of different types of Safavid...
Abstract Calligraphy is the outstanding art of Islamic world. Hence, one can easily see the influence of the art of calligraphy in the Islamic art branches, including architectural decorations. The main purpose of this fundamental research, assess and compare the content of wooden Nastaliq inscriptions that have been used in architectural decoration in Safavid dynasty in Iran.The case studie...
Managing Safavid court was mostly under the control of one of the four high-ranking Safavid officials called Īshīk Āghāsī Bāshī dīwān. This court official had several subordinates for managing court affairs and duties like holding court parties and assemblies, welcoming special guests and foreign ambassadors, managing harem, and protecting court. In this research, the roles and duties of this h...
Practice can dramatically reduce dual-task interference, but typically does not eliminate interference entirely. Residual interference after practice is especially large with certain non-preferred modality pairings (e.g., auditory-manual and visual-vocal). Does this residual interference imply the existence of a persistent central-processing bottleneck? To address this question, we transferred ...
In this research, the controversial issue of whether the central bottleneck can be bypassed through task automatization was investigated. To examine this issue, participants received six single-task practice sessions with an auditory-vocal task (low vs. high pitch). We then assessed dual-task performance using the analytically tractable psychological refractory period (PRP) paradigm, in which t...
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