It seems you are looking for the textbook "Sensación y Percepción" by E. Bruce Goldstein, and you are specifically interested in the chapter or topic related to Memory ("memoria"), while looking for a free PDF ("pdf gratis").
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Iconic memory refers to the brief retention of visual information. In Goldstein's text, this is often illustrated through the "Partial Report Procedure" experiments by Sperling. Duration: It lasts only about 0
While sensory memory provides the raw data, long-term memory provides the context. Goldstein emphasizes the concept of Top-Down Processing, where perception is influenced by our expectations, knowledge, and past experiences stored in memory. E. B. Sensation and Perception .
Subject: Psychology / Cognitive Science Reference Framework: Goldstein, E. B. Sensation and Perception.