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WorksheetsVisual System
Total questions: 10
Worksheet time: 6mins
What is the function of the lens?
Convert light to neural signals
Focus light onto the back of the retina
Allow for more of less light to come into the eye by dilating or contracting
To send neural pulses to the primary visual cortex
Which of the following are NOT examples of electromagnetic energy? (select all that apply)
X-rays
Ocean waves
Sound waves
FM radio waves
Ultra-violet light
The colored part of your eye is called the
Lens
Retina
Iris
Pupil
Which of the primary colors is your favorite?
Red
Blue
Green
Rods are mostly found in the _______ of the retina, and cones are mostly found in the _______ of the retina
Periphery; center
Center; periphery
Left side; right side
Right side; left side
Back; front
Why do we have a blind spot?
Because the sensory receptors in the eye are located at the back of the retina
Because there are no receptors where the optic nerve exits the eye
Because of the way the human eye evolved
All of the above
What is the lateral geniculate nucleus (LGN)?
The area of the brain where light is converted into neural signals by photoreceptors
An area in the primary visual cortex where visual information is encoded
The relay center for sensory visual information located in the thalamus
The pathway that determines spatial location of visual information
Visual spatial information ("where" an object is) is encoded ____________ of the brain
In the dorsal stream
In the parietal cortex
In the temporal cortex
In the ventral stream
About how long does it take for visual information to be registered by the brain?
Instantly
10 seconds
1/10th of a second
1 second
What kind of light can hummingbirds and bees see that humans can't?
(a)
