term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
Cone cells
High visual acuity
One neurone toons cone cell
2 separate impulses sent to the brain
Can distinguish between two different sources of light.
1:1 ratio
Rod cells
Low visual acuity
Connected in groups to one ganglion cell
Many neurones generate one impulse
Harder to distinguish between different types of light
Connected in groups
How cones distinguish between colour
3 types of cones
Different optical pigments
Different wavelengths absorbed
Stimulates different combinations to give a range if colour.
More than one type
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!