A sensation constitutes the fundamental mental operation of registering external stimuli via sensory organs such as the eyes, ears, olfactory organs, skin, or palate.
This represents the initial phase in our engagement with the surrounding environment.
For instance, when light impacts our visual receptors, a visual sensation is generated.
Sensation is distinct from perception, which entails the interpretation and comprehension of these sensory inputs.
Attention involves directing focus onto specific stimuli, whereas empathy refers to the capacity to comprehend the emotional states of others.
Consequently, the immediate reaction to a stimulus is most accurately defined as sensation.