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

Vision01:24

Vision

48.5K
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.
48.5K
Visual System01:26

Visual System

2.3K
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...
2.3K
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

8.4K
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...
8.4K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

8.3K
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,...
8.3K
Parallel Processing01:20

Parallel Processing

933
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
933
Association Areas of the Cortex01:21

Association Areas of the Cortex

10.1K
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,...
10.1K

You might also read

Related Articles

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

Sort by
Same author

Transcriptomic and microRNA Profiling Suggest a Candidate RIPPLY1-cfa-miR-187 Relationship in Canine Mammary Gland Tumours From Dogs With Confirmed Metastasis.

Veterinary and comparative oncology·2026
Same author

Computed tomographic assessment of abdominal aortic diameter is not associated with systemic hypertension in dogs: A preliminary study.

Open veterinary journal·2026
Same author

Evaluation of the Safety and Tolerability of L-Tyrosine Supplementation in Healthy Adult Men: A Randomized Crossover Trial.

Nutrients·2026
Same author

Disrupted Salience Network and Its Deteriorated Interaction With the Central Executive Network in Anorexia Nervosa: A Multicenter Study.

Biological psychiatry global open science·2026
Same author

Pancreatic lymphangioma and concurrent intestinal lymphangiectasia in a dog.

Journal of veterinary internal medicine·2026
Same author

Molecular Insights Into Canine Hepatocellular Carcinoma: A Cross-Species Transcriptomic Comparison With Human HCC.

Molecular carcinogenesis·2026

Related Experiment Video

Updated: Apr 23, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

7.9K

Neuronal substrates characterizing two stages in visual object recognition.

Tomoya Taminato1, Naoki Miura2, Motoaki Sugiura3

  • 1Tohoku University School of Medicine, Sendai, Japan.

Neuroscience Research
|September 15, 2014
PubMed
Summary
This summary is machine-generated.

This study used degraded visual stimuli (DVS) to investigate visual object recognition stages. Brain imaging revealed distinct regions for perception and memory, suggesting interactive models may better explain recognition.

Keywords:
Magnetic resonance imagingRecognitionSemanticVisual perception

More Related Videos

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

6.9K
Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

5.5K

Related Experiment Videos

Last Updated: Apr 23, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

7.9K
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

6.9K
Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

5.5K

Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Visual object recognition is classically modeled as two distinct stages: perception and memory.
  • The transition between these stages can be modulated using degraded visual stimuli (DVS).

Purpose of the Study:

  • To characterize the neuroanatomical correlates of the perception and memory stages of visual object recognition.
  • To investigate the validity of the classic two-stage model using a DVS task and functional magnetic resonance imaging (fMRI).

Main Methods:

  • Employed a degraded visual stimuli (DVS) task where images gradually sharpened.
  • Utilized functional magnetic resonance imaging (fMRI) to monitor brain activity.
  • Subjects indicated recognition at two points: initial guess and certainty.

Main Results:

  • Activation in the right medial occipitotemporal region correlated with the perception stage.
  • Activation in the posterior rostral medial frontal cortex was characteristic of the memory stage.
  • Findings align with the classic model for perception but suggest interactive models for memory.

Conclusions:

  • The right medial occipitotemporal region supports perceptual integration.
  • The posterior rostral medial frontal cortex may be involved in monitoring recognition confirmation.
  • Results support the advantage of interactive models over classic models for visual object recognition.