Sistema Visual Flashcards

1
Q

fóvea

A

punto donde inciden los rayos de luz. Centro de agudeza visual

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2
Q

Características de los bastones

A
  • 100 millones
  • mucha sensibilidad a la luz
  • visión nocturna
  • fotopigmento: rodopsina
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3
Q

Vía visual cortical:

las fibras se proyectan hacia 4 vías subcorticales

A

Hipotálamo (ritmos circadianos)

Pretectum (reflejos pupilares)

Colículo superior (movimientos oculares)

N. geniculado lateral (relevo a corteza VI)

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4
Q

Áreas visuales secundarias

A

18 y 19 de Brodmann

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5
Q

Área visual primaria

A

17 de Brodmann

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6
Q

2 vías visuales

A

Parvocelular:
forma, color

Magnocelular:
profundidad, movimiento

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