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Videos de Conceptos Relacionados

Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
Heart Sounds01:15

Heart Sounds

Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V) valves at the...
Stages of Sleep01:22

Stages of Sleep

Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
Language Development01:22

Language Development

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...

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Video Experimental Relacionado

Updated: Jun 23, 2026

P50 Sensory Gating in Infants
12:55

P50 Sensory Gating in Infants

Published on: December 26, 2013

Los sonidos del habla son aprendidos por los recién nacidos dormidos.

M Cheour1, O Martynova, R Näätänen

  • 1Language and the Developing Brain Laboratory, Centre for Cognitive Neuroscience, and Department of Psychology, University of Turku, 20100 Turku, Finland. marie.cheour@utu.fi

Nature
|February 8, 2002
PubMed
Resumen

Los recién nacidos humanos pueden aprender a distinguir entre los sonidos de las vocales durante el sueño. Este entrenamiento del sueño poco después del nacimiento puede tener futuros usos clínicos y educativos.

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Last Updated: Jun 23, 2026

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Published on: April 19, 2017

Área de la Ciencia:

  • Neurociencia cognitiva y neurociencia cognitiva.
  • Psicología del desarrollo Psicología del desarrollo.
  • Investigación del sueño Investigación del sueño.

Sus antecedentes:

  • La capacidad de aprendizaje durante el sueño en los seres humanos, particularmente en los recién nacidos, sigue siendo en gran medida inexplorada.
  • Comprender los mecanismos de aprendizaje temprano es crucial para las aplicaciones de desarrollo y clínicas.

Objetivo del estudio:

  • Investigar si los recién nacidos humanos a término pueden adquirir nueva información auditiva mientras están en un estado de sueño.
  • Determinar si el aprendizaje basado en el sueño en los recién nacidos puede extenderse a discriminar entre estímulos sensoriales similares.

Principales métodos:

  • Empleando técnicas de estimulación auditiva durante los ciclos naturales del sueño en recién nacidos humanos a término.
  • Presentar pares de sonidos vocales similares a los bebés que duermen para evaluar las habilidades de discriminación.

Principales resultados:

  • Demostró que los recién nacidos humanos exhiben la capacidad de aprender y discriminar entre sonidos de vocales similares durante el sueño.
  • La evidencia sugiere que el aprendizaje auditivo basado en el sueño es posible en el período neonatal.

Conclusiones:

  • Los recién nacidos humanos poseen una capacidad latente para aprender durante el sueño, específicamente en la discriminación auditiva.
  • El entrenamiento del sueño en recién nacidos poco después del nacimiento presenta aplicaciones potenciales en entornos clínicos y educativos.