One common way to alter human consciousness is to administer a substance capable of altering attention, emotion, judgment, memory, time sense, self-control, or perception, otherwise known as a .

Psychoactive Drug        

Explanation:

One common way to alter human consciousness is to administer a substance capable of altering attention, emotion, judgment, memory, time sense, self-control, or perception, otherwise known as a psychoactive drug.  Psychoactive drugs are drugs that are capable of altering the proper functioning of the nervous system when administered thus impairing proper brain functions, resulting in temporary changes in perception, mood, consciousness and behavior. Examples are cannabis, amphetamines, ecstasy, cocaine, and heroin.      

the language of nature was a manifestation from god as he said "let there be light" and there was light the world began to assume visible, comprehensible form.

what ever we know now think of the old vision of creation we can be sure that with out the speaking of word -without language- we would have no science today with its striking power to illuminate the world.

answer; self-serving bias;