psych106-11

psych106-11 - Lecture 11(Feb 14 th VISION#2 Lecture Outline...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Lecture 11 (Feb 14 th ): VISION (#2) Lecture Outline 1) Orientation Tuning 2) Color Processing 3) Movement Processing ¡ Don’t worry about “SHAPE PATHWAY” (including Inter-Blobs and Inter-Stripes) ¡ Don’t worry about “simple”, “complex” and “endstopped” neurons Primary Visual Cortex (or Visual Area 1, or V1) Orientation Selectivity Orientation Action Potentials/Second V1 Orientation Tuning in Visual Cortex COLOR VISION 1) Spectral (Single λ ) Colors: ROYGBIV (750 – 390 nm) 2) Broadband (multiple λ s) Colors: e.g., “white” is equal energy of all wavelengths Two Types of Colors : Most things in the world are (2), not (1) = 660 Energy Energy Spectrum SUNLIGHT A m p l i t u d e λ = 580 nm (yellow) Space Wavelength (nm) 450 500 550 600 650 400 "Green" "Red" "Blue" Energy Spectrum E n e r g y Wavelength (nm) 450 500 550 600 650 400 "Green" "Red" "Blue" Energy Spectrum E n e r g y Why do things look colored? (roughly) white light Wavelength (nm) 450 500 550 600 650 400 "Green" "Red" "Blue" Energy Spectrum of Light ReFected off Shirt E n e r g y Refected goes into your eye Absorbed stays in the pigment oF the shirt Light Absorption by Photoreceptors (Cones and Rods) Outersegment...
View Full Document

Page1 / 12

psych106-11 - Lecture 11(Feb 14 th VISION#2 Lecture Outline...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online