Navigation Links
Barrow scientists discover ways to optimize light sources for vision
Date:11/15/2012

Law states that the perceived contrast of a visual stimulus increases with its duration, but eventually plateaus at approximately 100 milliseconds. For example, a 5-millisecond flash will appear half as bright as a 10-millisecond flash, but a 200-millisecond flash will be just as bright as one of 400 milliseconds. The Broca-Sulzer Effect, on the other hand, states that perceived contrast increases with duration initially, but then peaks and falls again.

The researchers discovered that the discrepancy between Bloch's Law and the Broca-Sulzer Effect is caused by an intrinsic bias among experiment subjects, leading to dramatically skewed data. By improving their experimental design to overcome this bias, something that has never been before reported or intentionally controlled for, the results demonstrated that temporal vision actually follows the Broca-Sulzer Effect.

"Researchers have been studying temporal vision for more than 125 years, but because ours is the first experiment of its kind to control for all known forms of criteria, it is the first to accurately measure the role of temporal dynamics in brightness perception," says Dr. Macknik. "Thus, the power savings are ripe for the picking because we can adjust our lighting to flicker to take advantage of this peak in perception."


'/>"/>

Contact: Lynne Reaves
lynne.reaves@dignityhealth.org
602-406-4734
St. Joseph's Hospital and Medical Center
Source:Eurekalert

Page: 1 2

Related biology news :

1. WSU scientists find new way for antibiotic resistance to spread
2. NIH awards Penn scientists $10 million over 5 years for innovative research on single cells
3. Scientists question the designation of some emerging diseases
4. Watching the developing brain, scientists glean clues on neurological disorder
5. Scientists take objective look at terms least toxic pesticides applied as last resort
6. Scientists unravel the mystery of marine methane oxidation
7. Scientists discover new method of gene identification
8. Weber State Scientists discover possible building blocks of ancient genetic systems
9. Space research institute awards postdoctoral fellowships to 4 scientists
10. Space research institute awards postdoctoral fellowships to four scientists
11. 3,000 insect scientists coming to Knoxville next week
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/11/2014)... group members to reduce aggression and gain access to ... grooming activities shows a certain pattern across the day. ... Biology Letters . , Grooming between individuals in ... motives. To be groomed has hygienic benefits and is ... can provide access to infants, mating opportunities and high ...
(Date:7/11/2014)... Ume University, Sweden, have explored two different ways ... sequence leading to the formation of oxygen molecules ... in the scientific journal Nature Communications . ... day synthetic catalysts for water oxidation, which are ... the direct storage of solar energy in fuels ...
(Date:7/11/2014)... of kidney injury related to the use of hydroxyethyl ... HES molecules, according to a report in Anesthesia ... Research Society (IARS). , The "total mass of HES ... human renal proximal tubule cells (PTCs), concludes the laboratory ... Hospital Wrzburg, Austria. Other factorssuch as differences in ...
Breaking Biology News(10 mins):Baboons groom early in the day to get benefits later 2Molecular snapshots of oxygen formation in photosynthesis 2In lab studies, hydroxyethyl starch has direct harmful effects on kidney cells 2
... the common cold because there is scant evidence they ... the risks, according to a new systematic review of ... in the treatment of acute upper respiratory tract infections," ... the University of Auckland, New Zealand. "The implications for ...
... any given day, tens of thousands of biologists around ... a lightning-fast online algorithm called BLAST ?typically submitting 200 ... to be matched against the billions of letters for ... on functional or evolutionary relationships, scientists routinely use BLAST ...
... have identified a novel retroviral resistance gene, called FEZ1, that ... well as HIV-1, in cell culture. The researchers found that ... rat cell line caused a significant block to retroviral infection ... the viral DNA, but were excluded from entering the host ...
Cached Biology News:Doctors should stop prescribing antibiotics for the common cold, review advises 2Drawing with DNA: 'Bioart' illuminates genomics 2Drawing with DNA: 'Bioart' illuminates genomics 3
(Date:7/10/2014)... July 10, 2014   Ceres, Inc . (Nasdaq: ... company, announced today financial results for the three months ... its business. Ceres reported that the company ... performance this growing season in Brazil, which concluded in ... company,s sorghum evaluation areas for part of the growing ...
(Date:7/10/2014)... A new study published today in the journal ... has found that time of day and sleep deprivation ... could be crucial when looking at the best time ... and heart disease, and for administering medicines effectively. , ... of Cancer Research, London, investigated the links between sleep ...
(Date:7/10/2014)... forever. Nanophysics makes sure of that. Mechanics researchers at Linkping ... Physical Review E . Knowledge that can be of ... be able to sit still forever, and walk around upside ... soon be able to buy smart new fasteners that hold ... is, sooner or later the grip is lost, no matter ...
(Date:1/15/2014)... , Using an approach akin to assembling a ... Standards and Technology (NIST) researchers have succeeded in ... reduces the flammability of foam commonly used in ... flammability of the nanotube-coated polyurethane foam was reduced ...
Breaking Biology Technology:Ceres Announces Fiscal Third Quarter 2014 Financial Results 2Ceres Announces Fiscal Third Quarter 2014 Financial Results 3Ceres Announces Fiscal Third Quarter 2014 Financial Results 4Ceres Announces Fiscal Third Quarter 2014 Financial Results 5Ceres Announces Fiscal Third Quarter 2014 Financial Results 6Ceres Announces Fiscal Third Quarter 2014 Financial Results 7Ceres Announces Fiscal Third Quarter 2014 Financial Results 8Ceres Announces Fiscal Third Quarter 2014 Financial Results 9Time of day crucial to accurately test for diseases, new research finds 2Even geckos can lose their grip 2Layered security: Carbon nanotubes promise improved flame-resistant coating 2
... OnychoLase Laser Nail Center in ... Tokyo Vein Clinic visited , for a close up look at their laser nail treatment ... , ... Japanese have a long history of being on the cutting edge. They are by all ...
... ... METTLER TOLEDO has announced the release of iC Kinetics ... reactions by automatically developing a kinetic model that describes the influence ... The kinetic model can be used to simulate the effect of ...
... Germany , June 16, 2010 ,The medical devices company joimax(R) GmbH ... space" had already been the motto of,the last company move back in 2005. , ... The US market has an ... to Irvine, California , one,of high-tech industry centers in the United ...
Cached Biology Technology:OnychoLase Laser Nail Centers Making a Global Impact, By Bringing Western Medicine To The East 2A Faster Way to Understand and Optimize your Chemistry 2joimax(R) Moves Into Larger Premises 2
... gun low-pressure system, 220-240 V, is used for ... handheld device employs an adjustable helium pulse to ... from the inner wall of a small plastic ... be used for in situ, in vitro, in ...
... Hybridization Wash Pack provides optimized blocking ... Preparation Quality Clarifier: Ready-to-use wash solutions ... SigmaScreen(tm) APS Coated Slides for Microarrays ... Hybridization Blocking Buffer: 1L • Microarray ...
Mouse polyclonal antibody raised against a partial recombinant MHC2TA. NCBI Entrez Gene ID = 4261...
Mouse monoclonal antibody raised against a partial recombinant JRKL. NCBI Entrez Gene ID = JRKL...
Biology Products: