Related Experiment Video
Updated: Jun 25, 2025
05:38
Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
Published on: June 29, 2021
2.4K
Do They Know It's Christmash? Lexical Knowledge Directly Impacts Speech Perception.
Sahil Luthra1, Anne Marie Crinnion2, David Saltzman2
1Department of Psychology, Carnegie Mellon University.
Cognitive Science
|May 22, 2024
Summary
Lexical knowledge influences speech perception, supporting interactive cognitive models. This study refutes counter-arguments, reinforcing the role of top-down feedback in processing.
Area of Science:
- Cognitive Science
- Psycholinguistics
- Speech Perception
Background:
- Lexically mediated compensation for coarticulation (LCfC) demonstrates how word knowledge impacts early speech processing.
- LCfC evidence supports interactive cognitive models with top-down feedback loops.
- Autonomous models, allowing only feedforward processing, are challenged by LCfC findings.
Discussion:
- This work addresses counter-arguments challenging the interpretation of LCfC.
- The analysis reaffirms that LCfC is a robust phenomenon.
- The most parsimonious explanation for LCfC involves top-down feedback.
Key Insights:
- Lexical effects on prelexical speech processing are replicable.
- Interactive models of cognition are better supported than autonomous ones.
- Top-down feedback is crucial for understanding LCfC.
Outlook:
- Further research should explore the precise mechanisms of top-down feedback in LCfC.
- Investigating LCfC across different languages and populations will enhance generalizability.
- This research contributes to the broader debate on cognitive architecture and information flow.
More Related Videos
Related Concept Videos
01:27Language and Cognition
342
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.
342
01:10Higher Mental Functions of the Brain: Language
793
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...
793
01:25Factors Affecting Perception
1.6K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.6K
01:21Perceiving Loudness, Pitch, and Location
205
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...
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...
205
01:22Language Development
357
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...
357
01:28Perception
450
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
450