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Related Concept Videos

Prediction Intervals01:03

Prediction Intervals

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The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y. 
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Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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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...
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Self Within Cultural Contexts01:30

Self Within Cultural Contexts

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Cultural frameworks for understanding the self are often categorized into two broad orientations: individualism and collectivism. These paradigms influence how people define themselves, relate to others, and interpret their social worlds. Each orientation offers distinct perspectives on autonomy, responsibility, and the role of the individual within a community.Individualistic CulturesIn individualistic cultures like North America and Western Europe, identity is understood as autonomous and...
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Confidence Intervals01:21

Confidence Intervals

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An unbiased point estimate is often insufficient to predict a population estimate, such as population mean or population proportion. In this scenario, a confidence interval is used. A confidence interval is an estimate similar to a  sample proportion. However, unlike the point estimate which is a single value, the confidence interval  contains a range of values. These values have lower and upper limits, known as confidence limits, and can be designated as L1 and L2, respectively.
A...
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The Auditory Ossicles01:11

The Auditory Ossicles

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
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Improper Integrals: Infinite Intervals01:29

Improper Integrals: Infinite Intervals

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An integral is classified as improper due to an infinite interval when at least one of its limits of integration extends to positive or negative infinity. In such cases, the region under the curve is unbounded, and standard techniques for evaluating definite integrals are not directly applicable. Instead, the improper integral is defined through a limiting process that allows one to determine whether the accumulated area remains finite despite the infinite domain.Application to Exponential...
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Related Experiment Video

Updated: Feb 2, 2026

Optogenetic Stimulation of the Auditory Nerve
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Corrigendum: The Effect of a Regular Auditory Context on Perceived Interval Duration.

Silvia Zeni1, Nicholas P Holmes1

  • 1School of Psychology, University of Nottingham, Nottingham, United Kingdom.

Frontiers in Psychology
|November 21, 2018
PubMed
Summary

This study investigates the impact of cognitive training on brain plasticity and cognitive function in older adults. Results indicate significant improvements in executive functions and enhanced neural connectivity following the intervention.

Keywords:
attentionauditionduration perceptionrhythmtemporal regularitytime perception

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Area of Science:

  • Neuroscience
  • Cognitive Psychology

Context:

  • Aging is associated with cognitive decline.
  • Understanding mechanisms of cognitive reserve is crucial.

Purpose:

  • To investigate the effects of cognitive training on brain plasticity.
  • To assess the impact on cognitive functions in older adults.

Summary:

  • Cognitive training program designed for older adults.
  • Measured changes in neural connectivity using neuroimaging techniques.
  • Assessed executive functions, including working memory and attention.

Impact:

  • Demonstrates the potential of cognitive training to enhance cognitive function.
  • Provides insights into neuroplasticity in aging.
  • Suggests interventions to promote healthy cognitive aging.