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

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

You might also read

Related Articles

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

Sort by
Same author

Symmetry and thermodynamic bounds on cross-coupling transport in chiral liquid crystals.

Physical review. E·2025
Same author

Can DNN models simulate appearance variations of #TheDress?

i-Perception·2025
Same author

Human deep sleep facilitates cerebrospinal fluid dynamics linked to spontaneous brain oscillations and neural events.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Individual variability in steady-state VEP responses for hues sweeping around cardinal color axes: Clues to cortical color coding?

Journal of vision·2025
Same author

Voacandial and Voacanginone A, Iboga-Type Monoterpenoid Indole Alkaloids from <i>Voacanga africana</i> Root Bark: Isolation, Structure Elucidation, and Asymmetric Total Syntheses.

The Journal of organic chemistry·2025
Same author

Marginal adaptation analysis of CAD/CAM resin crown with non-invasive methods.

Clinical oral investigations·2025
Same journal

Multi-module collaborative optimization-driven fast speckle correlation imaging in variable environments.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Secrecy performance analysis of NOMA-UWOC systems over a vertically stratified WGG oceanic turbulence channel.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Backscattering of plane waves in a composite system containing a rough surface and anisotropic scatterers.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Aspherical surface construction methods based on extended Jacobi polynomials.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

OCT sidelobe suppression method based on dual-path phase sinusoidal modulation and minimum value fusion.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Optical design concepts using wavelength-selective diffractive optics to enable miniaturized multimodal endoscopic imaging across separated spectral ranges.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
See all related articles

Related Experiment Video

Updated: May 12, 2026

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

12.9K

Task-dependent changes in cortical color representation measured by the functional MRI technique.

Ichiro Kuriki, Takato Arima, Shunsuke Takano

    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |August 12, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Visual cortex activity differs based on color perception tasks. Early visual areas show less change for color appearance, while higher areas significantly alter responses during categorization tasks.

    More Related Videos

    Training Synesthetic Letter-color Associations by Reading in Color
    10:27

    Training Synesthetic Letter-color Associations by Reading in Color

    Published on: February 20, 2014

    23.0K
    Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels
    08:19

    Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels

    Published on: October 20, 2023

    1.2K

    Related Experiment Videos

    Last Updated: May 12, 2026

    Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
    10:33

    Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

    Published on: June 20, 2012

    12.9K
    Training Synesthetic Letter-color Associations by Reading in Color
    10:27

    Training Synesthetic Letter-color Associations by Reading in Color

    Published on: February 20, 2014

    23.0K
    Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels
    08:19

    Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels

    Published on: October 20, 2023

    1.2K

    Area of Science:

    • Neuroscience
    • Visual Perception
    • Cognitive Science

    Background:

    • Color perception involves both categorical and continuous aspects.
    • Previous research suggests distinct visual cortex regions process these aspects: early areas (V1-3) for continuous perception (color appearance) and higher areas (hV4, VO) for categorical perception.
    • Understanding how task demands influence these representations is crucial.

    Purpose of the Study:

    • To investigate how task manipulation affects cortical representations in visual areas using identical color stimuli.
    • To compare brain activity patterns during color appearance judgments versus color categorization tasks.
    • To identify specific visual regions where task-related changes in color representation are most prominent.

    Main Methods:

    • Utilized functional magnetic resonance imaging (fMRI) to measure brain activity.
    • Employed identical color stimuli across different experimental conditions.
    • Manipulated participant tasks to focus on either color appearance (continuous) or color categorization (categorical) perception.
    • Compared brain activity patterns between a diverted attention condition and active task conditions.

    Main Results:

    • Cortical activity patterns in visual areas changed significantly when participants performed color evaluation tasks compared to a diverted attention state.
    • Differences in cortical activity were less pronounced in early visual cortex (V1-3) during color appearance judgments than during the color category task.
    • Higher-order visual areas, including V3, hV4, and VO1/2, showed significant changes in activity patterns during the color category task.
    • The anterior ventral cortex exhibited more pronounced differences between color appearance and categorization tasks.
    • Color representation in early visual cortex under diverted attention more closely resembled that during color appearance judgments.

    Conclusions:

    • Task demands significantly modulate color representation across the visual cortex.
    • Early visual cortex representations are more stable across tasks related to continuous color perception, aligning with diverted attention states.
    • Higher-order visual areas demonstrate greater plasticity, with representations shifting substantially based on whether participants engage in color categorization or appearance judgments.
    • These findings highlight the dynamic nature of visual processing and the role of cognitive tasks in shaping neural representations of color.