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Visual Agnosia01:12

Visual Agnosia

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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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The Influence of Affect on Cognition01:29

The Influence of Affect on Cognition

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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...
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Factors Affecting Perception01:25

Factors Affecting Perception

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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...
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Facial Feedback Hypothesis01:24

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Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
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The Influence of Cognition on Affect01:29

The Influence of Cognition on Affect

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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...
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Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch01:15

Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch

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The history of therapeutic communication can be traced back to Florence Nightingale, who emphasized the importance of developing trusting relationships with patients. She taught that the presence of nurses with patients results in therapeutic healing.
Therapeutic communication is not the same as social interaction. Social interaction has no goal or purpose and consists of casual information sharing, whereas therapeutic communication has a plan or purpose for the conversation. Therapeutic...
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Video Experimental Relacionado

Updated: Jan 8, 2026

Using Facial Electromyography to Assess Facial Muscle Reactions to Experienced and Observed Affective Touch in Humans
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Tocar materiales blandos ralentiza el procesamiento visual afectivo

Achille Pasqualotto1,2,3, Utek Leong1,4, Ryo Kitada1,5

  • 1School of Social Sciences, Nanyang Technological University, Singapore, Singapore.

Frontiers in psychology
|December 12, 2025
PubMed
Resumen
Este resumen es generado por máquina.

La percepción táctil influye en la velocidad del procesamiento visual afectivo. Tocar materiales blandos ralentizó las calificaciones de las palabras emocionales, lo que sugiere que el tacto afecta la forma en que percibimos emocionalmente los estímulos visuales.

Palabras clave:
procesamiento afectivointegración multisensorialtactovalenciavisión

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Área de la Ciencia:

  • Psicología
  • Neurociencia
  • Ciencia Cognitiva

Sus antecedentes:

  • La integración multisensorial entre los sistemas táctil y visual está bien establecida para tareas cognitivas como el reconocimiento de objetos.
  • El impacto de las interacciones multisensoriales en el procesamiento afectivo (emocional) sigue siendo menos comprendido.
  • Este estudio investiga cómo la entrada táctil modula la evaluación emocional de los estímulos visuales.

Objetivo del estudio:

  • Examinar la influencia de la percepción táctil en el procesamiento afectivo de los estímulos visuales.
  • Determinar si la entrada táctil afecta la velocidad o la precisión de las calificaciones de valencia emocional.
  • Diferenciar el efecto de la entrada táctil en el procesamiento visual afectivo frente al semántico (cognitivo).

Principales métodos:

  • Se llevaron a cabo dos experimentos utilizando cauchos de uretano de diferente cumplimiento (duro vs. blando) y palabras presentadas visualmente.
  • Los participantes calificaron la valencia afectiva de las palabras mientras tocaban diferentes texturas.
  • Un segundo experimento evaluó las calificaciones de abstracción para distinguir el procesamiento afectivo del cognitivo.

Principales resultados:

  • Tocar un estímulo blando ralentizó significativamente el tiempo de reacción para las calificaciones de valencia afectiva de palabras visuales.
  • La manipulación táctil no alteró las calificaciones de valencia en sí mismas.
  • Las calificaciones de abstracción (procesamiento semántico) no se vieron afectadas por los estímulos táctiles.

Conclusiones:

  • La percepción táctil influye en la velocidad del procesamiento visual afectivo.
  • Un mecanismo de atención puede subyacer al efecto observado del tacto en la percepción emocional.
  • Esto resalta una nueva vía a través de la cual la entrada somatosensorial modula las respuestas emocionales a la información visual.