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Videos de Conceptos Relacionados

Introduction to Learning01:18

Introduction to Learning

Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
Cognitive Learning01:21

Cognitive Learning

Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
Purposive Learning01:22

Purposive Learning

E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a bonus...
Observational Learning01:12

Observational Learning

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 because...
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...
Modeling in Therapy01:26

Modeling in Therapy

Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in situations...

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Updated: Jun 27, 2026

Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning
05:33

Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning

Published on: January 29, 2020

Aprendizaje de representación justa para el ajuste fino de modelos de lenguaje preentrenados

Ke Wang1, Yinghao Zhang1, Hong-Yu Zhang1

  • 1College of Informatics, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.

Neural networks : the official journal of the International Neural Network Society
|February 19, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Este estudio presenta CFPLM, un marco novedoso para eliminar el sesgo de los modelos de lenguaje preentrenados (PLM). CFPLM utiliza la inferencia causal para reducir los sesgos sociales en los modelos de lenguaje de IA sin perjudicar el rendimiento.

Palabras clave:
Inferencia causalJusticiaModelos de lenguaje preentrenados

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Área de la Ciencia:

  • Inteligencia Artificial
  • Procesamiento del Lenguaje Natural
  • Aprendizaje Automático

Sus antecedentes:

  • Los modelos de lenguaje preentrenados (PLM) se destacan en diversas tareas de PNL, pero heredan sesgos humanos.
  • Estos sesgos, incluidos los estereotipos sociales, limitan la aplicación segura y ética de los PLM.
  • Los métodos de eliminación de sesgos existentes a menudo no logran abordar eficazmente las causas raíz del sesgo.

Objetivo del estudio:

  • Proponer un marco novedoso de eliminación de sesgos, CFPLM, para modelos de lenguaje preentrenados.
  • Aprovechar la inferencia causal para identificar e intervenir en los factores que inducen sesgos dentro de los PLM.
  • Mejorar la equidad de los PLM manteniendo sus capacidades de comprensión del lenguaje.

Principales métodos:

  • Desarrolló el marco de eliminación de sesgos CFPLM (Causal Framework for Pre-trained Language Models).
  • Incorporó una función de pérdida compuesta con un término de penalización de equidad.
  • Integró la pérdida adversarial y la regularización de entropía para la optimización del rendimiento.

Principales resultados:

  • CFPLM redujo significativamente el sesgo en PLM populares como BERT, RoBERTa y ALBERT.
  • Las evaluaciones en conjuntos de datos y métricas estándar confirmaron la efectividad del enfoque de eliminación de sesgos.
  • El rendimiento en el punto de referencia GLUE no mostró compromiso en las habilidades de comprensión del lenguaje.

Conclusiones:

  • El marco CFPLM propuesto mitiga eficazmente el sesgo en los PLM utilizando la inferencia causal.
  • La mejora de la equidad a través de CFPLM no afecta negativamente las capacidades centrales de comprensión del lenguaje de los modelos.
  • CFPLM ofrece una dirección prometedora para el desarrollo de tecnologías de lenguaje de IA más éticas y confiables.