Final answer:
The Preparatory Attentional and Memory Processes (PAM) theory explains how hormones, sensory information, and cognitive processing affect our brain state and attention.
Step-by-step explanation:
The Preparatory Attentional and Memory Processes (PAM) theory explains how hormones, sensory information, and cognitive processing affect our brain state and attention. According to the theory, stimuli trigger a general arousal process that focuses our cognitive operations on processing new information. This theory suggests that cognitive priorities can be influenced by various factors such as hunger, fatigue, belief, unfamiliar information, or threat.