Spectral sensitivity differences between rhesus monkeys and humans: implications for neurophysiology.
J Neurophysiol
; 112(12): 3164-72, 2014 Dec 15.
Article
em En
| MEDLINE
| ID: mdl-25253473
Spectral sensitivity of humans and rhesus monkeys was compared using identical displays and similar procedures. Detection thresholds were measured for the following: 1) 15-Hz modulation of a blue and a green cathode-ray tube phosphor; 2) 15-Hz modulation of all three phosphors together; and 3) slow (<1 Hz) modulations of a blue and a green phosphor under scotopic conditions. Monkeys had lower blue-to-green threshold ratios than humans at all eccentricities tested (0.5 to 7°), consistent with a lower lens optical density in monkeys. In addition to apparently having a lower lens density than humans, monkeys were more sensitive to 15-Hz red-green isoluminant modulations than humans, an effect that cannot be explained by optical factors.
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Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Psicofísica
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Sensibilidades de Contraste
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Detecção de Sinal Psicológico
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Percepção de Cores
Tipo de estudo:
Diagnostic_studies
Limite:
Adult
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Animals
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Female
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Humans
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Male
Idioma:
En
Revista:
J Neurophysiol
Ano de publicação:
2014
Tipo de documento:
Article