Related Experiment Video
Updated: Feb 9, 2026
08:04
Cone-Enriched Cultures from the Retina of Chicken Embryos to Study Rod to Cone Cellular Interactions
Published on: March 20, 2021
3.9K
Rod and cone interactions in the retina
Gordon Fain1,2, Alapakkam P Sampath1
1Department of Ophthalmology, Jules Stein Eye Institute, David Geffen School of Medicine, University of California Los Angeles, 100 Stein Plaza, Los Angeles, CA 90095-7000, USA.
F1000Research
|June 15, 2018
Summary
Rod and cone cells in the retina interact extensively, influencing visual perception. New research shows these interactions occur at all signal processing levels, clarifying their role in vision.
Area of Science:
- Neuroscience
- Vision Science
- Retinal Physiology
Background:
- Rod and cone photoreceptor signals are known to interact in the retina.
- The full extent of these interactions and their contribution to visual processing has been unclear.
Purpose of the Study:
- To clarify the extent of rod and cone signal interactions within the retina.
- To understand how these interactions influence visual perception.
Main Methods:
- Advanced RNA expression profiling.
- Specific cell labeling techniques.
- Single-cell electrophysiological recordings.
Main Results:
- Rod and cone signals interact at nearly all levels of retinal signal processing.
- These interactions significantly impact the integration of visual information.
- Evidence suggests these interactions are crucial for overall visual perception.
Conclusions:
- Rod and cone signal mixing is a fundamental aspect of retinal processing.
- These interactions play a critical role in shaping visual perception.
- Further research can build upon these findings to explore visual processing mechanisms.
Related Concept Videos
01:32The Retina
76.8K
The retina is a layer of nervous tissue at the back of the eye that transduces light into neural signals. This process, called phototransduction, is carried out by rod and cone photoreceptor cells in the back of the retina.
76.8K
02:39Predator-Prey Interactions
21.7K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
21.7K
01:24Van der Waals Interactions
71.7K
Atoms and molecules interact with each other through intermolecular forces. These electrostatic forces arise from attractive or repulsive interactions between particles with permanent, partial, or temporary charges. The intermolecular forces between neutral atoms and molecules are ion–dipole, dipole–dipole, and dispersion forces, collectively known as van der Waals forces.
71.7K
02:57piRNA - Piwi-interacting RNAs
7.7K
PIWI-interacting RNAs, or piRNAs, are the most abundant short non-coding RNAs. More than 20,000 genes have been found in humans that code for piRNAs while only 2000 genes have been found for miRNAs. piRNAs can act at the transcriptional and post-transcriptional levels and have a vital role in silencing transposable elements present in germ cells. They are also involved in epigenetic silencing and activation. Previously, they were thought to function only in germ cells but new evidence suggests...
7.7K
01:24Vision
60.1K
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.
60.1K
01:19Interactions Between Signaling Pathways
7.4K
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
7.4K