Temporal summation in age-related maculopathy
We measured temporal summation in subjects with atrophic age-related maculopathy (ARM) and age-matched control subjects at photopic and scotopic luminance levels. Although the ARM subjects did show longer critical durations in each case these differences were not statistically significant. This result, in conjunction with our earlier work on temporal discrimination, indicates that the processes which are responsible for temporal summation of the eye (presumably located at the receptors) are more resistant to the degenerative processes of ARM than are those responsible for temporal discrimination. This may be because the simple threshold procedure used here does not sufficiently stress the temporal response system to show a deficit.
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|Item Type:||Journal Article|
|Additional Information:||Self-archiving of the author-version is not yet supported by this publisher.
For more information, please refer to the journal’s website (see link) or contact the author. Author contact details:
|Keywords:||temporal summation, age, related maculopathy, senile macular degeneration, critical duration|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 1989 Lippincott Williams & Wilkins|
|Deposited On:||01 Dec 2006 00:00|
|Last Modified:||15 Jan 2009 07:16|
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