Sensation And Perception (Spanish) Essay

1589 words - 7 pages

Sensación y PercepciónIntroducciónAunque íntimamente relacionados, la sensación y la percepción juegan dos papeles complementarios pero diferentes en la forma en que interpretamos nuestro mundo. La sensación se refiere al proceso de percibir nuestro entorno a través del tacto, el gusto, la vista, el oído y el olfato. Esta información se envía a nuestro cerebro en forma cruda donde la percepción entra en juego. La percepción es la forma en que interpretamos las sensaciones y por lo tanto da sentido a todo lo que nos rodea.La sensación es el proceso por el cual nuestros sentidos recogen ...view middle of the document...

Un claro ejemplo es la sensación de la vibración del celular contra la percepción de que es tu celular. O la sensación de probar algo dulce contra la percepción de que estas comiendo pastel.La sensación no se produce de forma automática, los procesos sensoriales deben primero convertir la estimulación en los mensajes neuronales antes se puede formar cualquier otro tipo de elaboración. Este proceso de transferencia de energía se denomina transducción. Por ejemplo, la transducción de la oreja se produce en la cóclea. Se comienza con la detección de estímulos por una neurona sensorial, entonces la activación de los receptores y finalmente, la conversión de los estímulos en una señal nerviosa que es procesada por el cerebro. Detectores de estímulos son importantes porque una de sus habilidades es para alertarnos sobre los cambios. También tienen la autoridad en la adaptación sensorial; el umbral absoluto, el umbral de terminal, y el umbral de diferencia. Adaptación sensorial es la reducción de la capacidad de respuesta sensorial cuando se expone a la estimulación durante un período prolongado de tiempo. (Por ejemplo, un nadador se sumerge en una piscina de agua fría y finalmente se adapta a la temperatura). Sin embargo, no todos los estímulos pueden ser detectados. Hay esas sensaciones que podemos detectar son por encima de nuestro umbral absoluto (la cantidad mínima de estimulación necesaria para producir una experiencia sensorial).La percepción es el proceso mental que interpreta y da significado a las sensaciones. El color sirve como un ejemplo de cómo la percepción varía de persona a persona. Un color puede no ser la misma para todo el mundo, como el rojo. El color "Rojo" para una persona puede ser diferente a otra persona, pero podemos aprender a una edad más temprana que el color específico que se conoce es "rojo". Otros ejemplos son las ilusiones y las figuras ambiguas. Biológicamente, tenemos funciones llamadas detectores, que son las células de la corteza cerebral que se especializan en la toma de ciertas características de un estímulo. El cerebro combina detalles sensoriales en una sola percepción y este proceso claro se conoce como el problema de la unificación. Aunque el problema de la unión no se ha resuelto, los científicos creen que puede ser parcialmente explicada por el control del cerebro de los patrones de descarga de las neuronas que reconocen elementos específicos.Gracias a la nariz, los oídos, los ojos, la lengua y la piel, podemos imaginar un día en la playa: el cielo brilla tenuemente azul, agua salada, la arena caliente, y las gaviotas graznan. Nuestro conocimiento del mundo depende de los sentidos:...

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