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Titolo:
Statistical issues in fMRI for brain imaging
Autore:
Lazar, NA; Eddy, WF; Genovese, CR; Welling, J;
Indirizzi:
Carnegie Mellon Univ, Dept Stat, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 at, Pittsburgh, PA 15213 USA Pittsburgh Supercomp Ctr, Pittsburgh, PA 15213 USA Pittsburgh Supercomp Ctr Pittsburgh PA USA 15213 Pittsburgh, PA 15213 USA
Titolo Testata:
INTERNATIONAL STATISTICAL REVIEW
fascicolo: 1, volume: 69, anno: 2001,
pagine: 105 - 127
SICI:
0306-7734(200104)69:1<105:SIIFFB>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
SENSORY STIMULATION; RESONANCE; ACTIVATION; TIME; VISUALIZATION; OXYGENATION; SOFTWARE; DESIGN; BLOOD; SETS;
Keywords:
correlated data; functional neuroimaging; human brain mapping;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Lazar, NA Carnegie Mellon Univ, Dept Stat, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 urgh, PA 15213 USA
Citazione:
N.A. Lazar et al., "Statistical issues in fMRI for brain imaging", INT STAT R, 69(1), 2001, pp. 105-127

Abstract

Functional magnetic resonance imaging is a technique developed in the lastdecade and used in the fields of cognitive psychology and neuroscience, among others, to study the processes underlying the working of the human brain. In this paper we examine some of the statistical issues in functional magnetic resonance imaging for brain research. We start by giving a brief introduction to the physics of magnetic resonance imaging. Using a psychological experiment as a case study, we then describe questions of design and statistical analysis. The data obtained from functional magnetic resonance imaging studies are of a highly complex nature, displaying both spatial and temporal correlation, as well as high levels of noise from different sources. Given this, the scope for statistics is vast, and is not limited to simpleanalysis of the data, once collected.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/01/20 alle ore 10:40:44