A tissue-like optically turbid and electrically conducting phantom for simultaneous EEG and near-infrared imaging.
Phys Med Biol
; 54(18): N403-8, 2009 Sep 21.
Article
em En
| MEDLINE
| ID: mdl-19687562
ABSTRACT
We describe a phantom for simultaneous electroencephalography (EEG) and near-infrared imaging which consists of a solid, optically turbid and electrically conducting interface enclosing a tissue-mimicking aqueous scattering solution. The interface provides an electrical contact impedance comparable to that of the human scalp while the phantom as a whole has optical properties and electrical conductivity equivalent to that of head tissue. The construction is described and our design is evaluated experimentally using an optically absorbing target which also provides an EEG-equivalent electric field source. The results of this simultaneous EEG and near-infrared imaging experiment are presented.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Mapeamento Encefálico
/
Imagens de Fantasmas
/
Espectroscopia de Luz Próxima ao Infravermelho
/
Materiais Biomiméticos
/
Eletroencefalografia
/
Nefelometria e Turbidimetria
Tipo de estudo:
Diagnostic_studies
/
Evaluation_studies
Limite:
Humans
Idioma:
En
Revista:
Phys Med Biol
Ano de publicação:
2009
Tipo de documento:
Article
País de afiliação:
Reino Unido