Page 23 - Use Your Memory
P. 23

IS  YOUR  MEMORY  PERFECT?
 number of patterns, or 'degrees of freedom', throughout the brain
 is, to use his own words, 'so great that writing it would take a line of
 figures,  in normal manuscript characters, more than ten and a half
 million kilometres in length. With such a number of possibilities,
 the brain is a keyboard on which hundreds of millions of different
 melodies can be  played.'
 Your memory is the music.
 7  Near-Death - Type Experiences
 Many people have looked up at the surface ripples of a swimming
 pool  from  the  bottom,  knowing  that  they  were  going  to  drown
 within  the  next  two  minutes;  or  seen  the  rapidly  disappearing
 ledge of the mountain from which they have just fallen; or felt the
 oncoming  grid  of the  10-ton  lorry bearing  down  on  them  at  60
 miles per hour. A common theme runs through the accounts that
 survivors  of such  traumas  tell.  In  such  moments  of 'final  con-
 sideration'  the  brain  slows  all  things  down  to  a  standstill,
 expanding a  fraction  of a  second  into a lifetime,  and  reviews the
 total experience  of the individual.
 When pressed  to  admit that what  they had  really  experienced
 were a few highlights, the individuals concerned insisted that what
 they had experienced was their entire life, including all things they
 had completely forgotten until that instant of time. 'My whole life
 flashed  before me' has almost become a cliche that goes with the
 near-death experience.  Such a  commonality of experience  again
 argues  for  a  storage  capacity  of the  brain  that we  have  only  just
 begun to tap.
 8  Photographic Memory
 Photographic,  or  eidetic,  memory  is  a  specific  phenomenon  in
 which  people  can  remember,  usually  for  a very  short time, per-
 fectly and  exactly anything they have  seen. This memory usually
 fades, but it can be so accurate as to enable somebody, after seeing
 a  picture  of  1000  randomly  sprayed  dots  on  a  white  sheet,  to
 reproduce  them  perfectly.  This  suggests  that  in  addition  to the
 deep, long-term storage capacity, we also have a shorter-term and
 immediate  photographic  ability.  It  is  argued  that  children  often
 have this  ability as  a natural part of their mental functioning and
 that we train it away by forcing them to concentrate too much on
 logic  and  language  and  too  little  on  imagination  and  their other
 range  of mental skills.
 9  The  1000 Photographs
 In recent experiments people were shown  1000 photographs, one
 after the other, at a pace of about one photograph per second. The
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