Is a disembodied but conscious human brain a pig? If so, suppose it is in pain? It certainly stands to reason that a brain without a body would be very confused

Is a disembodied but conscious human brain a pig? If so, suppose it is in pain? It certainly stands to reason that a brain without a body would be very confused. At the very least, fear would be a logical reaction. None of this is certain, but I think little of this is very controversial.