Devachan; identity of molecular vibration is established, and
for a brief space the sensitive becomes the departed
personality, and writes in its handwriting, uses its
language, and thinks its thoughts. At such times sensitives
may believe that those with whom they are for the moment _en
rapport_ descend to earth and communicate with them, whereas,
in reality, it is merely their own spirits which, being
correctly attuned to those others, are for the time blended
with them.[50]

In a special case under examination, H.P. Blavatsky said that the
communication might have come from an Elementary, but that it was

Far more likely that the medium's spirit really became _en
rapport_ with some spiritual entity in Devachan, the
thoughts, knowledge, and sentiments of which formed the
substance, while the medium's own personality and
pre-existing ideas more or less governed the forms of the
communication.[51]

While these communications are not reliable in the facts and opinions
stated,

We would remark that it may _possibly_ be that there really
is a distinct spiritual entity impressing our correspondent's
mind. In other words, there may, for all we know, be some
spirit, with whom his spiritual nature becomes habitually,
for the time, thoroughly harmonised, and whose thoughts,
language, &c., become his for the time, the result being that
this spirit seems to communicate with him.... It is possible