Related Experiment Video
Updated: Dec 24, 2025

06:46
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
7.4K
Eye-of-origin flash triggers eye-based attention only when the flash is task-relevant
Yanliang Sun1, Xiaolin Wang1, Wenhao Yu1
1School of Psychology.
Summary
Selective attention can be guided by eye-of-origin, even without awareness. Task-relevant cues enhance processing for the cued eye, demonstrating eye-based attentional orienting.
Area of Science:
- Cognitive Neuroscience
- Visual Attention
Background:
- Attentional selection typically operates based on location, features, or objects.
- The role of eye-of-origin in attentional selection remains less understood.
Purpose of the Study:
- To investigate whether selective attention is based on the input's eye-of-origin.
- To explore if eye-based attentional orienting occurs even with unawareness of cue origin.
Main Methods:
- Utilized a monocular cuing paradigm with task-relevant and task-irrelevant cues.
- Measured response times to targets presented to cued and uncued eyes.
- Assessed modulation of the spatial Stroop effect by monocular cues.
Main Results:
- Task-relevant monocular cues triggered eye-based attentional orienting, speeding responses in the same-eye condition.
- Eye-specific attentional effects diminished when cues were task-irrelevant.
- Monocular cues modulated the spatial Stroop effect, increasing it for the attended eye.
Conclusions:
- Endogenous attentional selection can be based on eye-of-origin, independent of conscious awareness.
- Attentional systems can enhance visual information processing within specific monocular channels based on task relevance.
- Findings suggest a mechanism for selective visual information enhancement in a particular monocular pathway.
Related Concept Videos
Focusing of Light in the Eye
5.0K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
5.0K
Association Areas of the Cortex
8.5K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
8.5K
Anatomy of the Eyeball
9.2K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
9.2K
Color Vision
1.2K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.2K
Vision
59.1K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
59.1K
Accessory Structures of the Eye
3.2K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
3.2K

