Functions may variously include sensing touch , air motion , heat , vibration -LRB- sound -RRB- , and especially olfaction -LRB- smell -RRB- or gustation -LRB- taste -RRB- .

The organ may sense touch , air motion , heat , vibration -LRB- sound -RRB- , and especially olfaction -LRB- smell -RRB- or gustation -LRB- taste -RRB- .
