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Auditory Perception01:17

Auditory Perception

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Learning Disabilities01:25

Learning Disabilities

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Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
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Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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Observational Learning01:12

Observational Learning

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Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
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Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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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...
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Associative Learning01:27

Associative Learning

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Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
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Video Experimental Relacionado

Updated: Sep 10, 2025

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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Los oyentes autistas demuestran un aprendizaje perceptivo robusto guiado por el léxico

Shawn N Cummings1,2,3, Brooke Duda1, Rachel M Theodore1,2,3

  • 1Department of Speech, Language, and Hearing Sciences, University of Connecticut, Storrs, Connecticut, USA.

Autism research : official journal of the International Society for Autism Research
|August 23, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Los oyentes se adaptan a las variaciones del habla, incluidas las personas autistas. Este estudio encontró que los rasgos autistas y la sensibilidad al tono no afectaron la adaptación del habla, lo que sugiere que estos están separados del aprendizaje perceptivo en el habla.

Palabras clave:
adaptacióntrastorno del espectro autistaAprendizaje perceptivopercepción del habla

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Área de la Ciencia:

  • Ciencias cognitivas
  • La neurociencia
  • La lingüística

Sus antecedentes:

  • La percepción del habla se basa en la adaptación a la variabilidad fonética.
  • Las investigaciones anteriores a menudo pasan por alto las diferencias individuales, particularmente en el autismo.
  • El papel de los rasgos autistas en la adaptación del habla sigue sin estar claro.

Objetivo del estudio:

  • Investigar la relación entre el autismo, la agudeza perceptiva y la adaptación del habla.
  • Para determinar si los rasgos autistas influyen en la capacidad de adaptación a la variación fonética.
  • Explorar el vínculo entre la sensibilidad al tono y la adaptación del habla.

Principales métodos:

  • 80 oyentes (40 con autismo) fueron expuestos a sonidos ambiguos /s/-/ʃ/ en contextos léxicos.
  • El aprendizaje perceptivo se midió comparando la categorización del habla antes y después de la exposición.
  • Los rasgos autistas y la sensibilidad al tono se evaluaron utilizando medidas validadas.

Principales resultados:

  • Tanto los oyentes neurotípicos como los autistas demostraron una sólida adaptación del habla.
  • No se encontró una asociación significativa entre los rasgos autistas y el grado de aprendizaje.
  • La sensibilidad al patrón de tono no se correlacionó con las habilidades de adaptación del habla.

Conclusiones:

  • El aprendizaje perceptivo guiado léxicamente en el habla es en gran medida independiente de los rasgos autistas.
  • Las características del lenguaje social asociadas con el autismo pueden no afectar directamente la adaptación del habla.
  • Los hallazgos sugieren que la adaptación del habla es un proceso robusto en diversos neurotipos.