Related Experiment Video
Updated: Mar 6, 2026
06:52
Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
Published on: September 17, 2019
6.8K
Reading through the life span: Individual differences in psycholinguistic effects
Rob A I Davies1, Ruth Arnell2, Julia M H Birchenough3
1Department of Psychology, Lancaster University.
Summary
Psycholinguistic effects in reading change across the lifespan. Key variables like word frequency and age of acquisition diminish with age, impacting reading speed and accuracy. This necessitates a life span theory of reading development and aging.
Area of Science:
- Cognitive Psychology
- Psycholinguistics
- Neuroscience
Background:
- Reading research often overlooks individual differences in psycholinguistic effects.
- Understanding how these effects change across the lifespan is crucial for cognitive reading theories.
Purpose of the Study:
- To investigate the variation of psycholinguistic effects across the entire human lifespan.
- To analyze how factors like word frequency and age of acquisition influence reading performance from childhood to old age.
Main Methods:
- Analysis of lexical decision and pronunciation tasks from 535 readers aged 8-83.
- Application of diffusion models to understand response times and evidence accumulation.
- Examination of spoken response durations to assess articulatory processes.
Main Results:
- Psycholinguistic effects (frequency, age of acquisition) decrease with age.
- Age and reading ability systematically modulate these effects, showing a U-shaped age curve.
- Developmental gains are linked to evidence accumulation; aging slows due to encoding/execution efficiency.
Conclusions:
- Reading theories must account for both developmental learning and age-related changes.
- Findings support a life span perspective on reading, integrating development and aging.
- Articulatory processes slow with age, affecting pronunciation speed.
More Related Videos
Related Concept Videos
01:27Language and Cognition
909
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
909
01:22Language Development
1.0K
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
1.0K
01:28Lateralization
1.2K
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.
1.2K
01:10Higher Mental Functions of the Brain: Language
4.0K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
4.0K
01:27Introduction to Developmental Psychology
1.9K
Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...
1.9K
02:20Longitudinal Research
13.6K
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...
13.6K