However,the subject of hypnosis is controversial in some cir

and such data would demand proof （that hypnosis is possible as per the manner （the study implies））
that hypnosis is possible as per the manner the study implies是proof的定语
the study implies是manner的定语
as per the manner 就是according to the manner的意思

。。。 proof that hypnosis is possible as per the manner the study implies.
根据研究显示的方法，证明了那种假设是可能的。
在这里per的意思是 ：依据，按照