Exteroception and Gustatory modality

Exteroception noun - Sensitivity to stimuli originating outside of the body.

Gustatory modality and exteroception are semantically related. In some cases you can replace phrase "Gustatory modality" with "Exteroception", this terms are similar.

Gustatory modality noun - The faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth.

Exteroception and gustatory modality are semantically related. You can use "Exteroception" instead a noun phrase "Gustatory modality".