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Pleasure response from chocolate: You can see it in the eyes
Date:6/24/2013

dditional and larger studies, Nasser said she and other researchers can use ERG for studies of food addiction and food science.

"My research takes a pharmacology approach to the brain's response to food," Nasser said. "Food is both a nutrient delivery system and a pleasure delivery system, and a 'side effect' is excess calories. I want to maximize the pleasure and nutritional value of food but minimize the side effects. We need more user-friendly tools to do that."

The low cost and ease of performing electroretinography make it an appealing method, according to Nasser. The Medicare reimbursement cost for clinical use of ERG is about $150 per session, and each session generates 200 scans in just two minutes. Procedures to measure dopamine responses directly from the brain are more expensive and invasive. For example, PET scanning costs about $2,000 per session and takes more than an hour to generate a scan.


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Contact: Rachel Ewing
raewing@drexel.edu
215-895-2614
Drexel University
Source:Eurekalert

Page: 1 2

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