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

Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Accuracy, limits, and approximation01:28

Accuracy, limits, and approximation

Accuracy, limits, and approximations are common in many fields, especially in engineering calculations. These concepts are imperative for ensuring that a given value is as close as possible to its true value.
Accuracy is defined as the closeness of the measured value to the true or actual value. In engineering mechanics, repeated measurements are taken during theoretical or experimental analyses to ensure that the result is precise and accurate.
The accuracy of any solution is based on the...
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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 identifying...
Aliasing01:18

Aliasing

Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original signal...
Accuracy and Precision01:52

Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.  Highly accurate measurements...

You might also read

Related Articles

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

Sort by
Same author

Limited protective effects of multilingualism against age-related cognitive decline.

Memory & cognition·2026
Same author

Validating GULS: An open-access Dutch language proficiency test.

Behavior research methods·2026
Same author

The lexical boost in structural priming: The syntactic head matters but adjacency does not.

Journal of experimental psychology. Learning, memory, and cognition·2026
Same author

Modulation of Brainstem-Cortical Pathways by Injection Laryngoplasty in Unilateral Vocal Fold Paralysis: A Longitudinal Diffusion MRI Case Study.

Journal of voice : official journal of the Voice Foundation·2025
Same author

Measuring the semantic priming effect across many languages.

Nature human behaviour·2025
Same author

Sublexical speech perception and attention networks in bilingual adults who stutter: A behavioral and electrophysiological study.

Journal of fluency disorders·2025

Related Experiment Video

Updated: Jun 30, 2026

Enhancing an Avian Sound Recognition Model's Detection Precision via Logistic Regression of Large Acoustic Datasets: A Case Study of the European Robin (Erithacus rubecula)
10:55

Enhancing an Avian Sound Recognition Model's Detection Precision via Logistic Regression of Large Acoustic Datasets: A Case Study of the European Robin (Erithacus rubecula)

Published on: April 11, 2026

Improving accuracy in detecting acoustic onsets.

Wouter Duyck1, Frederik Anseel, Arnaud Szmalec

  • 1Faculty of Psychology and Educational Sciences, Ghent University, Ghent, Belgium. wouter.duyck@ugent.be

Journal of Experimental Psychology. Human Perception and Performance
|October 1, 2008
PubMed
Summary
This summary is machine-generated.

Traditional voice keys used in cognitive psychology studies for measuring naming latencies are inaccurate. New voice key technology using combined noise detection offers precise acoustic onset detection, improving reaction time measurements.

More Related Videos

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Related Experiment Videos

Last Updated: Jun 30, 2026

Enhancing an Avian Sound Recognition Model's Detection Precision via Logistic Regression of Large Acoustic Datasets: A Case Study of the European Robin (Erithacus rubecula)
10:55

Enhancing an Avian Sound Recognition Model's Detection Precision via Logistic Regression of Large Acoustic Datasets: A Case Study of the European Robin (Erithacus rubecula)

Published on: April 11, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Area of Science:

  • Cognitive Psychology
  • Psycholinguistics
  • Speech Science

Background:

  • Electronic voice keys are standard tools for measuring naming latencies in cognitive psychology.
  • These devices detect sound amplitude, but struggle with precise acoustic onset detection.
  • Classical voice keys can introduce significant delays (tens of milliseconds) compared to actual speech onset.

Purpose of the Study:

  • To address the inaccuracies of traditional voice keys in detecting acoustic onsets.
  • To evaluate a novel voice key solution employing combined analogue and digital noise detection.
  • To improve the precision of reaction time measurements in naming latency tasks.

Main Methods:

  • Review of existing literature on voice key limitations.
  • Development and testing of a new voice key system.
  • Comparison of onset detection accuracy against visual waveform inspection.
  • Correlation analysis between voice key reaction times and visual inspection data.

Main Results:

  • Classical voice keys exhibit delays of several tens of milliseconds relative to acoustic onset.
  • The proposed voice key utilizing combined noise detection shows minimal delay (few milliseconds).
  • Onset detection by the new voice key highly correlates (up to .99) with reaction times from visual waveform inspection.

Conclusions:

  • Traditional voice keys introduce unacceptable latency errors for precise acoustic onset detection.
  • Voice keys incorporating analogue and digital noise detection provide a highly accurate and reliable method for measuring naming latencies.
  • This advancement offers improved accuracy for reaction time research in cognitive psychology.