September 10, 2010

Eye Tracking Research Measures Your Problem Solving Skills

Minolta DSC

An interesting study was done in collaboration with Stanford University and Columbia Teachers College focusing on the degree of pupil dilation in visual tasks and aural ones. Until now, pupil dilation has been shown to be a reliable way to measure cognitive load, but scientists at the institutions say the effect of aural versus visual task presentation on pupil dilation is still unknown, and so they set out to measure it.Examining three tasks utilizing a range of cognitive activities, the researchers … [Read more...]

How Does Eye Tracking Detect the Object of Visual Attention?

How Does Eye Tracking Detect the Object of Visual Attention?

A recent Eye Tracking Update post detailed the basic anatomy of the eye and the two primary types of vision, foveal and peripheral. To continue the discussion on eye biology and how it relates to eye tracking technology, let’s take a look at the behavior that brings the two together: eye movement. The majority (about 94%) of our vision falls in the peripheral region, which is only good for producing a blurred image of surroundings for detecting movement and contrast. Detailed visual data about … [Read more...]

Eye Tracking Looks at How We Rely on Google for Answers

Eye Tracking Google

The Internet has changed the way we seek information. Up until the last couple decades, information was found in books or in the minds of those more knowledgeable about a subject than ourselves. But today, if you have a question, you just “Google it.” The seemingly all-knowing Google (or Yahoo, MSN, Bing, etc.) is where we go for answers. When you type a query and click the search button, a list of results appears and it is assumed that those on the top of the list are the most relevant. Search … [Read more...]

Race Presents Challenge for Facial and Eye Tracking Technology

Eye Tracking Race

Humans have an amazing ability to recognize faces; from the time you are born, your brain is programmed to identify and distinguish the faces of the people you see. Software developers are attempting to replicate this phenomenon because of the number of applications it could possibly be used for. However, nothing has been produced yet with 100% accuracy. HP’s Media Smart webcam is an example of the shortcomings of these efforts to recreate this complex human brain function.In a popular Youtube … [Read more...]