Related Experiment Video
Updated: Jul 8, 2025
08:17
A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
Published on: April 12, 2018
10.6K
Evidence for optimal semantic search throughout adulthood.
Jeffrey C Zemla1, Diane C Gooding2,3,4, Joseph L Austerweil2
1Department of Psychology, Syracuse University, Syracuse, NY, USA. jczemla@syr.edu.
Scientific Reports
|December 19, 2023
Summary
Older adults maintain optimal semantic memory search strategies despite cognitive changes. This suggests memory search adapts to aging, compensating for slower processing rather than executive decline.
Area of Science:
- Cognitive Psychology
- Neuroscience of Aging
- Human Memory
Background:
- Semantic memory stores vast knowledge acquired throughout life.
- Effective information retrieval is crucial despite age-related cognitive changes.
- Healthy aging involves cognitive slowing and potential executive function decline.
Purpose of the Study:
- To investigate how aging affects the optimization of semantic memory search.
- To determine if cognitive aging impacts the efficiency of information retrieval strategies.
Main Methods:
- A semantic fluency task (listing animals) was administered to 746 participants aged 25-69.
- Retrieval paths and transition times between semantic clusters were analyzed.
- Performance was compared against an optimal retrieval strategy model.
Main Results:
- Participants' retrieval patterns approximated an optimal search strategy, maximizing retrieval rate.
- The timing of transitions to unrelated semantic categories aligned with optimal search.
- Age did not correlate with deviation from optimal strategy, controlling for general performance.
Conclusions:
- Cognitive aging does not impair the ability to employ optimal semantic memory search strategies.
- Individuals appear to adapt their memory search to maintain efficiency throughout adulthood.
- Observed adaptations likely involve compensation for general processing speed reduction, not executive function decline.
More Related Videos
Related Concept Videos
01:30Cognitive Development During Adulthood
117
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
117
01:24Revisionist Views of Adolescent and Adult Cognition
32
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...
32
01:27Language and Cognition
349
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.
349
01:25Piaget's Theory of Cognitive Development from Childhood into Adulthood
116
Jean Piaget's theory of cognitive development emphasizes the role of thinking in a child's learning process, suggesting that children are naturally curious about their environment. His approach to development is discontinuous, proposing that cognitive abilities progress through distinct stages, each with unique characteristics. Central to Piaget's theory is schemata—mental structures that allow individuals to understand and interpret the world.
Schemata: Building Blocks of...
Schemata: Building Blocks of...
116
01:22Language Development
368
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...
368
01:37Reason and Intuition
6.5K
The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
6.5K