Some of his central presuppositions have been questioned by other researchers and the opaque nature of his explanations has led to a variety of competing interpretations of his approach .
Erickson 's work on hypnotism was controversial during his lifetime and has remained so to the present day .
Some of Erickson 's central presuppositions have been questioned by other researchers and the opaque nature of his explanations has led to a variety of competing interpretations of his approach .
Erickson 's work on hypnotism was controversial during his lifetime and has remained so to the present day .