In cognitive psychology, memory models attempt to explain how information is processed in the human mind. Among the most influential models is the Atkinson-Shiffrin model, which proposes a structured way in which memory is organized. According to this model, memory is divided into three main stages: sensory memory, short-term memory, and long-term memory. Each of these stages plays a crucial role in how we retain and recall information.
Given this context, which of the following options best describes the primary function of short-term memory in this model?