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Related Concept Videos

Longitudinal Research02:20

Longitudinal Research

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
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Lateralization01:28

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Revisionist Views of Adolescent and Adult Cognition01:24

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A revisionist approach to Jean Piaget's theory of cognitive development has brought new insights that challenge and reinterpret his established ideas. Piaget proposed that the formal operational stage, emerging in adolescence, represents the culmination of cognitive maturity. During this stage, individuals are said to develop abstract thinking, engage in systematic problem-solving, and show a form of egocentrism, believing others are as preoccupied with their behavior as they are...
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Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now? 
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Assumptions of Survival Analysis01:15

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Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
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Related Experiment Video

Updated: Nov 14, 2025

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
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Where next for laterality research? Looking back and looking forward.

Alan A Beaton1,2, Gareth Richards3

  • 1Department of Psychology, School of Human & Health Sciences, Swansea University, Swansea, UK.

Laterality
|March 12, 2021
PubMed
Summary
This summary is machine-generated.

Future research in laterality should explore handedness and language, genetic links to asymmetry and disorders, cross-species laterality, and hemispheric interactions using new technologies.

Keywords:
HandednessLateralitySpeech dominance

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Area of Science:

  • Neuroscience
  • Human and comparative psychology
  • Genetics

Background:

  • Laterality, the dominance of one brain hemisphere, is crucial for human cognition.
  • Understanding brain asymmetry is key to understanding neurological and psychiatric conditions.

Purpose of the Study:

  • To outline key research directions in the field of laterality.
  • To address the relationship between handedness and language lateralization.
  • To explore the genetic underpinnings and adaptive significance of asymmetry.

Main Methods:

  • This study is a perspective piece, outlining future research directions.
  • It synthesizes existing knowledge and proposes avenues for investigation.
  • It emphasizes the use of developing technologies for studying brain function.

Main Results:

  • Several critical questions in laterality research remain unresolved.
  • Further investigation into genetic factors and cross-species comparisons is needed.
  • Technological advancements offer new ways to study hemispheric interactions.

Conclusions:

  • Integrating genetic, comparative, and technological approaches will advance laterality research.
  • Solving the puzzle of handedness and language lateralization is a priority.
  • Understanding laterality is essential for comprehending human development and disorders.