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

Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

182
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
182
Perceptual Constancy01:12

Perceptual Constancy

317
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
317
The Availability Heuristic01:08

The Availability Heuristic

5.9K
A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):
5.9K

You might also read

Related Articles

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

Sort by
Same author

Hydride-mediated direct synthesis of aniline from dinitrogen and benzene.

Science bulletin·2026
Same author

Cpeb4 regulates cardiomyocyte apoptosis in heart failure with association to Eif4a2 splicing modulation.

Scientific reports·2026
Same author

The N‑Glycoproteomic Landscape of the Lung in Monocrotaline-Induced Pulmonary Arterial Hypertension.

ACS omega·2026
Same author

Porcine Parvovirus virus-like particle vaccine induces long-term humoral immunity by recruiting T follicular helper and germinal center B cell responses.

Frontiers in immunology·2026
Same author

ACE2 ameliorates DOX-induced cardiotoxicity by suppressing excessive autophagy via the AMPK/mTOR signaling pathway.

Biochemical pharmacology·2026
Same author

Analysis of the epidemiological features and factors associated with falls among the elderly in urban and rural areas of Chongqing, China: a cross-sectional study.

BMC public health·2026

Related Experiment Video

Updated: May 24, 2025

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
05:48

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

1.4K

Learning Probabilistic Presence-Absence Evidence for Weakly-Supervised Audio-Visual Event Perception.

Junyu Gao, Mengyuan Chen, Changsheng Xu

    IEEE Transactions on Pattern Analysis and Machine Intelligence
    |March 3, 2025
    PubMed
    Summary

    This study introduces a new method for weakly-supervised audio-visual event perception (WS-AVEP), improving event localization and categorization using probabilistic presence-absence evidence (PPAE) and joint-modal mutual learning (JML). The approach enhances performance on audio and visual metrics.

    More Related Videos

    Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
    07:36

    Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

    Published on: November 30, 2018

    15.6K
    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
    05:22

    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

    Published on: May 9, 2019

    5.3K

    Related Experiment Videos

    Last Updated: May 24, 2025

    Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
    05:48

    Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

    Published on: August 9, 2024

    1.4K
    Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
    07:36

    Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

    Published on: November 30, 2018

    15.6K
    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
    05:22

    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

    Published on: May 9, 2019

    5.3K

    Area of Science:

    • Computer Science
    • Artificial Intelligence
    • Machine Learning

    Background:

    • Weakly-supervised audio-visual event perception (WS-AVEP) faces challenges due to unsynchronized audio-visual data and weak supervision.
    • Existing methods often neglect the complementary nature of audio and visual modalities for event detection.

    Purpose of the Study:

    • To develop a unified framework for WS-AVEP that effectively utilizes both presence and absence evidence from complementary modalities.
    • To address uncertainties in learning reliable evidence from complex audio-visual data under weak supervision.

    Main Methods:

    • Proposed a Probabilistic Presence-Absence Evidence (PPAE) collector leveraging uni-modal and cross-modal representations.
    • Introduced a joint-modal mutual learning (JML) process to calibrate evidence adaptively and dynamically.
    • Designed a system to handle audible, visible, and audi-visual events.

    Main Results:

    • The proposed method achieved significant improvements over state-of-the-art approaches.
    • Demonstrated absolute gains of 3.1% and 4.2% in event-level audio and visual metrics, respectively, on the LLP dataset.

    Conclusions:

    • The PPAE framework and JML process effectively enhance WS-AVEP by leveraging complementary modality information.
    • The method provides a robust solution for temporally localizing and categorizing events with weak supervision.