نتایج جستجو برای: frontal systems
تعداد نتایج: 1221914 فیلتر نتایج به سال:
The aim of this study was to clarify the relationship between EEG power and neuroticism trait. We used correlational method in order to examine the hypotheses. The participants included twenty-five undergraduate students (age mean= 21.36, SD= 23.39) at Ferdowsi university of Mashhad that were selected as volunteers. All participants were right-handed and had normal or corrected-to-normal visual...
Abstract Introduction Giant frontal mucocele of the sinus is a rare benign pathology caused by retention mucous secretions. They develop when opening paranasal becomes obstructed due to trauma, infection, chronic sinusitis, polyps, malignancy, bony tumours, or congenital anomalies. This case reports giant conservative management bone fracture 30 years ago. Presenting 64 –year- old male was refe...
Different accounts have been proposed to explain the nature of concept representations. Embodied accounts claim a key involvement of sensory-motor systems during semantic processing while more traditional accounts posit that concepts are abstract mental entities independent of perceptual and motor brain systems. While the involvement of sensory-motor areas in concrete language processing is sup...
The brain is an inherently dynamic system, and executive cognition requires dynamically reconfiguring, highly evolving networks of brain regions that interact in complex and transient communication patterns. However, a precise characterization of these reconfiguration processes during cognitive function in humans remains elusive. Here, we use a series of techniques developed in the field of "dy...
The anterior insula has been hypothesized to provide a link between attention-related problem solving and salience systems during the coordination and evaluation of task performance. Here, we test the hypothesis that the anterior insula/medial frontal operculum (aI/fO) provides linkage across systems supporting task demands and attention systems by examining the patterns of functional connectiv...
Previous reports (Dewson et al. 1966; Spinelli and Pribram 1966) described the effects of chronic electrical stimulation and of ablations of the posterior sensory-specific "association" cortex on the recovery of responses evoked by paired flashes and clicks in the primary projection systems. These experiments demonstrated the corticofugal control which the brain can exert over its own input and...
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