It comprises that range of experience related to the threat of personal annihilation, of destruction of self, of nonbeing, and more generally, of the painful side of the human condition.
To this end, it uses a number of specifically designed psychological training methods and techniques.
Assagioli (in common with Abraham Maslow) had considerable interest in the creative powers of the human personality, and in peak experiences; and he intended Psychosynthesis as a way to unify the ordinary levels of consciousness with the higher creative and transpersonal levels of being.
In the book Discipleship in the New Age, he is known by the initials F. Authors John Firman and Ann Gila wrote that Assagioli kept what he referred to as a "wall of silence" between the areas of psychosynthesis and religion or metaphysics, insisting that they not be confused with each other.
Roberto Assagioli died quietly on August 23, 1974 in Capolona d'Arezzo in Italy.