Related Experiment Video
Updated: Jan 28, 2026
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
11.1K
Vocabulary size and structure affect semantic competition in 18-month-olds.
Justin B Kueser1, Claney Outzen2, MaryCarson Adams2
1Center for Childhood Deafness, Language, and Learning, Boys Town National Research Hospital.
Developmental Psychology
|January 26, 2026
Summary
Children
Area of Science:
- Developmental Psychology
- Cognitive Science
- Linguistics
Background:
- Children develop semantic relations early.
- The impact of vocabulary size on this ability is not fully understood.
Purpose of the Study:
- Investigate how vocabulary size and semantic network structure influence word recognition in toddlers.
- Examine the role of semantic overlap type in lexical processing.
Main Methods:
- Used an eye-tracking paradigm with 136 18-month-olds.
- Manipulated semantic overlap between objects and measured real-time word recognition.
- Assessed semantic network density within children's vocabularies.
Main Results:
- Word recognition varied based on semantic overlap type, vocabulary size, and network structure.
- Taxonomic semantic overlap most impacted word recognition.
- Denser semantic networks hindered recognition in larger vocabularies but not smaller ones under taxonomic overlap.
Conclusions:
- Lexical recognition is dynamic, influenced by semantic knowledge configuration.
- Findings suggest different processing and learning trajectories for children with smaller vocabularies, impacting later language development.
More Related Videos
05:38Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
Published on: June 29, 2021
2.8K
05:35Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
Published on: April 19, 2017
7.1K
Related Concept Videos
01:26Size and Structure of Viral Genomes
762
Viral genomes exhibit remarkable diversity in size, structure, and composition, influencing their replication strategies and interactions with host cells. These genomes consist of either DNA or RNA and may be linear or circular. Additionally, they can be single-stranded or double-stranded, with each configuration affecting how the virus propagates within a host. RNA viruses, for instance, generally have smaller genomes than DNA viruses, a factor that contributes to their high mutation rates and...
762
02:34Competition
24.6K
When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
24.6K
01:24Role of Affect in Interpersonal Attraction
218
Affect plays a crucial role in shaping interpersonal evaluations and perceptions. Emotions influence how individuals judge and respond to others, often determining whether interactions are viewed positively or negatively. This effect can manifest directly through interactions with the person in question or indirectly via associations with unrelated emotional experiences.Direct Effects of Affect on AttractionAffect directly influences interpersonal attraction when a person’s behavior...
218
01:29The Influence of Affect on Cognition
277
Positive affect significantly influences cognitive processes, including evaluation, memory, creativity, and social judgments. Compared to negative affect, positive emotional states promote more favorable interpretations of stimuli, cognitive flexibility, and heuristic processing. These effects highlight emotions' powerful role in shaping how individuals perceive, remember, and interact with the world.Influence on Evaluation and AttributionWhen individuals experience positive affect, they are...
277
01:29The Influence of Cognition on Affect
198
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
198
01:22Cell Size
127.0K
Cell sizes vary widely among and within organisms. Bacterial cells range between 1-10 micrometers (μm)and are considerably smaller than most eukaryotic cells. The smallest bacteria are 0.1 μm in diameter—about a thousand times smaller than eukaryotic cells, which typically range from 10-100 μm.
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
127.0K