![]() The impending demise of the icon: A critique of the concept of iconic storage in visual information processing. Future research should use more sensitive tasks, such as those measuring semantic memory and executive function Item Type:ī Philosophy. Commentary era Ralph Norman Haber (1983). Conclusion: The results show that iconic memory is another aspect of memory that shows little effect of caffeine. In its simplest form, memory is the cognitive process of storing information and retrieving it later. There was no significant main effect of caffeine nor significant interactions between caffeine and report conditions. Results: At baseline, the results were consistent with previous research, with recall performance in partial report conditions being superior to full report up to an ISI of 300 msec. However, the display lasted only about 50 milliseconds (1/20 of a second). In his research, Sperling showed participants a display of letters in rows, similar to that shown in Figure 9.5, Measuring Iconic Memory. The tasks involved either full or partial reports of a string of letters with varying inter-stimulus intervals (ISIs). Iconic memory was first studied by the psychologist George Sperling (1960). The caffeine dose was 4mg/kg and was carried out double-blind. Separate groups either received caffeine or a placebo. Methods: Participants (University students, N=24) completed a laboratory session in the morning or afternoon. ![]() One area where there has been little research is sensory memory, and the present study examined the effects of caffeine on iconic memory (short-term visual memory). Background: Research has examined the effects of caffeine on many aspects of memory.
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