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Valeria Blasi

Bio: Valeria Blasi is an academic researcher from Vita-Salute San Raffaele University. The author has contributed to research in topics: Borderline intellectual functioning & Cognition. The author has an hindex of 21, co-authored 46 publications receiving 1706 citations. Previous affiliations of Valeria Blasi include Washington University in St. Louis & University of Milan.


Papers
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Journal ArticleDOI
TL;DR: The combination of DTI-FT and ISM decreased the duration of surgery, patient fatigue, and intraoperative seizures, and enhances surgical performance and safety maintaining a high rate of functional preservation.

386 citations

Journal ArticleDOI
TL;DR: Functional MR imaging is a sensitive and specific method for mapping language and motor functions in patients with a focal mass adjacent to eloquent cortex, by using intraoperative electrocortical mapping (ECM) as the reference standard.
Abstract: Purpose: To prospectively determine the sensitivity and specificity of functional magnetic resonance (MR) imaging for mapping language and motor functions in patients with a focal mass adjacent to eloquent cortex, by using intraoperative electrocortical mapping (ECM) as the reference standard. Materials and Methods: The ethics committee approved the study, and patients gave written informed consent. Thirty-four consecutive patients (16 women, 18 men; mean age, 43.2 years) were included who met the following three criteria: They had a focal mass in or adjacent to eloquent cortex of the language or motor system, they had the ability to perform the functional MR imaging task, and they had to undergo surgery with intraoperative ECM. Functional MR imaging with verb generation (n = 17) or finger tapping of the contralateral hand (n = 17) was performed at 1.5 T with a block design and an echo-planar gradient-echo T2*-weighted sequence. Cortex essential for language or hand motor functions was mapped with ECM. A ...

252 citations

Journal ArticleDOI
26 Sep 2002-Neuron
TL;DR: It is shown that patients with left frontal lesions and partially recovered aphasia learn, at a normal rate, a novel word retrieval task that requires the damaged cortex, indicating that frontal cortex is a source of top-down signals during learning.

157 citations

Journal ArticleDOI
TL;DR: The aim of this work is to compare the neural basis of a specific aspect of ToM, the mindreading ability through the eyes, in healthy young and old subjects, and to discuss taking into account the recent literature dealing with cognitive functions during normal aging.

137 citations

Journal ArticleDOI
TL;DR: The results suggest cortical activation circuits for lipreading from action representations that may differentiate lexical access from nonlexical processes.
Abstract: Regional cerebral blood flow (rCBF) PET scans were used to study the physiological bases of lipreading, a natural skill of extracting language from mouth movements, which contributes to speech perception in everyday life. Viewing connected mouth movements that could not be lexically identified and that evoke perception of isolated speech sounds (nonlexical lipreading) was associated with bilateral activation of the auditory association cortex around Wernicke's area, of left dorsal premotor cortex, and left opercular-premotor division of the left inferior frontal gyrus (Broca's area). The supplementary motor area was active as well. These areas have all been implicated in phonological processing, speech and mouth motor planning, and execution. In addition, nonlexical lipreading also differentially activated visual motion areas. Lexical access through lipreading was associated with a similar pattern of activation and with additional foci in ventral- and dorsolateral prefrontal cortex bilaterally and in left inferior parietal cortex. Linear regression analysis of cerebral blood flow and proficiency for lexical lipreading further clarified the role of these areas in gaining access to language through lipreading. The results suggest cortical activation circuits for lipreading from action representations that may differentiate lexical access from nonlexical processes.

126 citations


Cited by
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01 Mar 1999

3,234 citations

21 Jun 2010

1,966 citations

01 Jan 2016
TL;DR: As you may know, people have search numerous times for their chosen novels like this statistical parametric mapping the analysis of functional brain images, but end up in malicious downloads.
Abstract: Thank you very much for reading statistical parametric mapping the analysis of functional brain images. As you may know, people have search numerous times for their chosen novels like this statistical parametric mapping the analysis of functional brain images, but end up in malicious downloads. Rather than enjoying a good book with a cup of coffee in the afternoon, instead they cope with some infectious bugs inside their desktop computer.

1,719 citations

Journal ArticleDOI
TL;DR: FMRI reveals short-term physiological changes associated with active brain functioning, and in this way, fMRI can identify different parts of the brain where particular men-tal processes occur and can characterize the patterns of acti-vation associated with those processes.

1,430 citations