June• 2018 | 91
cell to another. Memories are formed
when particular connections between
these neurons are strengthened. False
memoriesandrealmemoriesseemto
rely on the exact same mechanisms to
become lodged in the brain.
It’s tempting to think of memor y
asapersonalCCTVsystem,record-
ing everything we see or do. In ac-
tuality, as the founder of applied
memory science Professor Elizabeth
Loftusexplains,it’smorelikeaWiki-
pediapage.“Youcangointhereand
changeit,butsocanotherpeople.”
When we recall a memory, we
aren’t lipping through the Rolodex
ofourmindstoproducethecorrect
ile–we’rewritingthatileoutanew.
We act ively recreate our memories
everytimewethinkofthem,adding
room for potential fabrication or mis-
rememberingeachtime.
hinkaboutyourearliestmemory.
Perhapsyourememberthebirthof
a sibling, your irst taste of birthday
cakeoratraumatictriptotheden-
tist. Maybe you’re even one of the few
whocanrecalltheirownbirth.Well,
if any of those memories occurred
beforeyouturnedthreeyearsold,
badnews:they’redeinitelyfalse.
AsShawexplains,it’sphysically
impossible for our brains to form
long-lasting memories when we’re
that young. “Almost everybody thinks
theyhaveamemoryfromchildhood
that’s actually impossible.”
These false childhood memories
are often caused by a process called
‘memory conformity’, where details
we’ve learned through the accounts
of others can implant entirely false
memories,orleadustoacceptthe
experiencesofothersasourown.
Perhapsyouremembertellingsome-
oneastoryaboutyourself,onlyto
realise that it had actually happened
to them. hat’s memory conformity.
THIS PHENOMENONhas serious
implications for the criminal jus-
tice system. If eyewitness accounts
canmutatethroughdiscussionor
theprocessofrememberingitself,
then their reliability becomes com-
promised.Andresearchhasshown
that emotional memories are no less
PeterReillypicturedtheweekend
after his conviction
PHOTO: KEYSTONE PICTURES USA/ALAMY