The research finding by a Universiy of New South Wales PhD student, Ms Mei Ying Boon, has earned her a nomination in this year's Fresh Science Awards.
"Eye diseases such as glaucoma can alter people's ability to accurately see colour," says Ms Boon. "Therefore, studying brain activity could be a useful way to diagnose and monitor diseases and conditions that affect colour vision pathways in the brain."
Ms Boon and her UNSW colleagues measured the brain waves of 22 adult volunteers while the volunteers viewed computer patterns composed of two different shades. The two colours ranged from very different (red and green) to very similar. If the viewer couldn't distinguish the colours, then the pattern was invisible to them.
When the volunteers could see the pattern, their brain waves included a distinctively patterned wave. The researchers measured this signal three different ways and found it could be used to reveal the finest colour discriminations that individuals can make. The result: a potential visual health test.
"People's natural ability to make fine distinctions between colours varies in the population," says Ms Boon who published her findings in Vision Science with her UNSW co-authors, Dr Catherine Suttle and Associate Professor Bruce Henry.
"For example, we've all met people who are unaware that they mix up colours, or wear colours that clash. For most of us, this isn't a big deal but for those with poor colour discrimination it can make apparently simple tasks difficult. For example, our ability to see colours affects our ability to carry out daily tasks such as food preparation (which is the ripe tomato?) and interpret signals like traffic lights," says Ms Boon.
"More seriously, poor colour vision can be a serious impediment to safety when working in some occupations, such as fire-fighting and electrical wiring. The ability to test objectively people's natural perception of fine colour discrimination could provide them with valuable information about their natural ability," says Ms Boon.
Dan Gaffney | EurekAlert!
Improving memory with magnets
28.03.2017 | McGill University
Graphene-based neural probes probe brain activity in high resolution
28.03.2017 | Graphene Flagship
The Institute of Semiconductor Technology and the Institute of Physical and Theoretical Chemistry, both members of the Laboratory for Emerging Nanometrology (LENA), at Technische Universität Braunschweig are partners in a new European research project entitled ChipScope, which aims to develop a completely new and extremely small optical microscope capable of observing the interior of living cells in real time. A consortium of 7 partners from 5 countries will tackle this issue with very ambitious objectives during a four-year research program.
To demonstrate the usefulness of this new scientific tool, at the end of the project the developed chip-sized microscope will be used to observe in real-time...
Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
20.03.2017 | Event News
14.03.2017 | Event News
07.03.2017 | Event News
28.03.2017 | Life Sciences
28.03.2017 | Information Technology
28.03.2017 | Physics and Astronomy