Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Vision01:24

Vision

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.
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

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 layer, the vascular tunic,...
Color Vision01:24

Color Vision

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.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Dynamic visual cues induce jaw opening and closing by tiger beetles during pursuit of prey.

Biology letters·2014
Same author

Tiger beetles pursue prey using a proportional control law with a delay of one half-stride.

Journal of the Royal Society, Interface·2014
Same author

Static antennae act as locomotory guides that compensate for visual motion blur in a diurnal, keen-eyed predator.

Proceedings. Biological sciences·2014
Same author

Brain connectivity: revealing the fly visual motion circuit.

Current biology : CB·2013
Same author

Visual neuroscience: how flies segregate moving objects from the optic flow field.

Current biology : CB·2012
Same author

Multimodal integration: visual cues help odor-seeking fruit flies.

Current biology : CB·2008

Related Experiment Video

Updated: Jul 1, 2026

Using Looming Visual Stimuli to Evaluate Mouse Vision
05:07

Using Looming Visual Stimuli to Evaluate Mouse Vision

Published on: June 13, 2019

Visual neuroscience: revealing the motion-detecting circuitry.

Cole Gilbert1

  • 1Department of Entomology, Cornell University, Ithaca, New York 14853, USA. cg23@cornell.edu

Current Biology : CB
|September 13, 2008
PubMed
Summary
This summary is machine-generated.

Researchers are using molecular tools in Drosophila to eliminate specific neurons. This is advancing our understanding of how the brain processes visual motion detection.

More Related Videos

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes
06:25

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Published on: February 23, 2024

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients
07:43

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients

Published on: June 17, 2019

Related Experiment Videos

Last Updated: Jul 1, 2026

Using Looming Visual Stimuli to Evaluate Mouse Vision
05:07

Using Looming Visual Stimuli to Evaluate Mouse Vision

Published on: June 13, 2019

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes
06:25

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Published on: February 23, 2024

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients
07:43

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients

Published on: June 17, 2019

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Molecular Biology

Background:

  • Visual motion detection is a fundamental cognitive process.
  • Understanding the neural basis of this computation is a key challenge in neuroscience.
  • Drosophila melanogaster serves as a powerful model organism for studying neural circuits.

Purpose of the Study:

  • To investigate the neural implementation of a computational algorithm for visual motion detection.
  • To leverage advanced molecular techniques for precise neuronal manipulation.
  • To elucidate the role of specific neuronal populations in visual processing.

Main Methods:

  • Utilizing targeted molecular approaches in Drosophila to ablate specific neuronal classes.
  • Employing genetic tools for precise control over neuronal function.
  • Analyzing behavioral and neural responses to visual stimuli.

Main Results:

  • Demonstrated the feasibility of selectively removing neuronal populations.
  • Provided new insights into the neural circuitry underlying motion perception.
  • Identified key neuronal components essential for visual motion detection.

Conclusions:

  • Molecular techniques in Drosophila offer a powerful means to dissect neural circuits.
  • This approach is crucial for understanding the neural basis of complex computations like motion detection.
  • Future research can build upon these findings to further unravel visual processing mechanisms.