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161.
Maria C. Gioia Antonio Cerasa Paola Valentino Francesco Fera Rita Nisticò Maria Liguori Pierluigi Lanza Aldo Quattrone 《Brain and cognition》2009
Extraversion and Neuroticism are two fundamental dimensions of human personality that influence cognitive functioning in healthy subjects. Little is known about personality changes that may occur in patients with multiple sclerosis (MS) nor about, in particular, their neurofunctional basis. The aim of this study is to determine the impact of personality characteristics on brain activity in patients with MS. Eighteen patients with clinically definite relapsing-remitting MS without any evidence of psychiatric or cognitive disorders and thirteen healthy controls matched for age, gender and education were investigated using functional magnetic resonance imaging (fMRI) during the execution of an “n-back” task. No differences were detected on the behavioral tests between the two groups, although the MS patients had lower total IQ and showed a trend towards higher Extraversion and Neuroticism scores than did the controls. fMRI analyses demonstrated that Extraversion scores were positively associated with brain activity in the fronto-parietal network including the superior parietal lobule and dorsolateral prefrontal cortex in both groups during the high load condition of the n-back task. Given the overlapping neural systems found in the two groups, we suggest that the neural activity associated with specific personality dimension is a neurophysiological characteristic preserved in patients with MS at an early stage in the course of their disease. 相似文献
162.
Giorgio De Michelis Marco Loregian Claudio Moderini 《Knowledge, Technology, and Policy》2009,22(1):71-78
Background In the last 30 years, there has been little innovation in workstations. The desktop metaphor has become the standard user
interface, with its pros (e.g., ease of learning) and cons (e.g., interaction constraints for skilled users, lack of context
awareness).
Objectives In this paper, we present itsme, an Italian initiative to design the next-generation workstation. Interaction design is the basis of the project, as well
as the involvement of a wide community of contributing users.
Results The early design phases of the project led to the definition of a new metaphor for personal computing, based on stories and
venues. The metaphor is being adopted for the development of a novel front-end for the Linux operating system, aimed at fulfilling
the needs and desires of knowledge workers.
相似文献
Claudio ModeriniEmail: URL: http://www.itsme.it |
163.
Balfour L Tasca GA Kowal J Corace K Cooper CL Angel JB Garber G Macpherson PA Cameron DW 《Assessment》2007,14(4):408-416
Excellent medication adherence (>95%) is required for optimal HIV treatment success. This study aimed to develop and validate a brief scale to assess psychological readiness for successfully starting and adhering to HIV medications. HIV-positive men and women (N = 142) from an HIV outpatient clinic completed the proposed HIV Medication Readiness Scale (HMRS) prior to starting HIV medications. The 10-item HMRS demonstrated high internal consistency (alpha = .90), test-retest reliability (r = .83), and sensitivity to change following a standardized 4-session psychoeducational intervention designed to increase readiness for successful adherence. Predictive validity was supported by higher readiness scores on the day starting HIV medications, predicting higher treatment adherence at 1-month follow-up. The HMRS is a brief, easy-to-use, clinically relevant tool that can assist in identifying people living with HIV at high risk of nonadherence, who might benefit from tailored readiness counseling prior to initiating HIV medications. 相似文献
164.
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166.
How fish do geometry in large and in small spaces 总被引:5,自引:5,他引:0
It has been shown that children and non-human animals seem to integrate geometric and featural information to different extents in order to reorient themselves in environments of different spatial scales. We trained fish (redtail splitfins, Xenotoca eiseni) to reorient to find a corner in a rectangular tank with a distinctive featural cue (a blue wall). Then we tested fish after displacement of the feature on another adjacent wall. In the large enclosure, fish chose the two corners with the feature, and also tended to choose among them the one that maintained the correct arrangement of the featural cue with respect to geometric sense (i.e. left-right position). In contrast, in the small enclosure, fish chose both the two corners with the features and the corner, without any feature, that maintained the correct metric arrangement of the walls with respect to geometric sense. Possible reasons for species differences in the use of geometric and non-geometric information are discussed. 相似文献
167.
168.
The initial observations, made in our laboratory with Knut Larsson, of the ability of vaginocervical stimulation (VCS) to block withdrawal responses to foot pinch in rats has led to findings of multiple behavioral, autonomic, and neuroendocrine effects of this potent stimulus in rats and also in women. It has led to an understanding of: (1) the neuroanatomical and neurochemical basis of a novel and potent pain-blocking mechanism; (2) likely neuroanatomical pathways mediating both the Ferguson reflex and a specific autonomic response - the pupil-dilating effect of VCS; (3) a role for oxytocin as a putative central nervous system neurotransmitter that stimulates autonomic sympathetic preganglionic neurons within the spinal cord; and (4) a novel pathway that can convey sensory activity from the cervix, adequate to induce orgasm, via the vagus nerves. This latter pathway bypasses the spinal cord and projects directly to the medulla oblongata, and thus can convey genital afferent activity despite complete spinal cord injury at any level. 相似文献
169.
Giorgio Volpe 《Erkenntnis》2003,58(3):417-418
Volume Contents
Contents of Volume 58 相似文献170.