How does rehearsal affect short-term memory retention?

Rehearsal plays a significant role in enhancing short-term memory retention. This process involves the active repetition of information, which keeps it in an accessible state within short-term memory. By repeatedly engaging with the information, either through vocal or mental repetition, individuals strengthen their ability to hold onto that information for brief periods.

The enhancement occurs because rehearsal helps to encode the information, enabling it to transition from short-term memory to long-term memory when practiced over time. This process increases the likelihood of successful recall later on, as the repeated exposure reinforces neural pathways associated with that information. Furthermore, rehearsal can reduce the effects of interference from new information, allowing for better retention of the rehearsed data. Thus, regular practice through rehearsal significantly improves the capacity and duration of information held in short-term memory.