Which american psychologist demonstrated the existence of sensory memory in a 1960 experiment?

George Sperling

Explanation:

The psychologist George Sperling experimented the existence and duration of sensory memory in the year 1960.

Sensory memory is a very brief memory that lasts for about three seconds or less and ceases after the stimulant had been removed. It is the first stage of memory where humans store an image for a brief moment, before it is discarded (forgotten).

Sensory memory retains a very short-lived impression of an image, the important details of this impression are then being transferred to the short-term memory.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.