Date post: | 04-Jul-2015 |
Category: |
Education |
Upload: | jmclaugh813 |
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Vision 1• Learning Goals:
– Students should be able to answer the following:
1. What is the energy that we see as visible light?
2. How does the eye transform light energy intro neural messages?
1
Rating Student Evidence
4.0 Expert
I can teach someone else about how we see energy as visible light and how transduction occurs in the eye. In addition to 3.0 , I can demonstrate applications and inferences beyond what was taught
3.0Proficient
I can analyze about how we see energy as visible light and how transduction occurs in the eye and compare/contrast the Aspects of the learning goal.
2.0 Developing
I can identify terms associated about how we see energy as visible light and how transduction occurs in the eye, but need to review this concept more.
1.0Beginning
I don’t understand this concept and need help!
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Vision & Energy
• Light Characteristics
1. Hue (color)
– the dimension of color determined by the
wavelength of the light
2. Wavelength
– Different wavelengths of light
3. Intensity
– Amount of energy in a wave determined by
amplitude. It is related to brightness
2
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Transduction
• Transduction is a process by which light
is converted into electrical signals in the
rod cells, cone cells and photosensitive
ganglion cells of the retina of the eye.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Cornea = outer covering of the eye.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Pupil = the adjustable opening in the center of the eye through
which light enters.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Iris = a ring of muscle tissue that forms the colored portion of the
eye around the pupil and controls the size of the pupil opening.
• The iris dilates/constricts in response to changing light intensity
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Lens = the transparent structure behind the pupil that changes
shape to help focus images (accommodation) on the retina.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Retina = the light-sensitive inner surface of the eye, containing the receptor
rods and cones plus layers of neurons that begin the processing of visual
information.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Blind Spot = the point at which the optic nerve leaves the eye,
creating a “blind” spot because no receptor cells are located there.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Fovea = the central focal point in the retina, around which the
eye’s cones cluster. (cones-color, rods-b/w)
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Foveal Vision
15
The fovea allows for line of sight is a virtual line between the fovea and
a fixation point that allows for 100% visual acuity (sharpness)
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
The Structure of the Eye
Optic Nerve = the nerve that carries neural impulses from the eye
to the brain.
Taste/Smell
The EarSound
Depth cuesGestaltPerceptionMovementTouch/Pain
SeeingThe EyeLightIgnoring CNS
Illusions
Crash Course Vision
17
Learning Goal:1. What is the energy that we see as visible light?
2. How does the eye transform light energy intro neural messages?
18
Rating Student Evidence
4.0 Expert
I can teach someone else about how we see energy as visible light and how transduction occurs in the eye. In addition to 3.0 , I can demonstrate applications and inferences beyond what was taught
3.0Proficient
I can analyze about how we see energy as visible light and how transduction occurs in the eye and compare/contrast the Aspects of the learning goal.
2.0 Developing
I can identify terms associated about how we see energy as visible light and how transduction occurs in the eye, but need to review this concept more.
1.0Beginning
I don’t understand this concept and need help!