jan 2004 verbal facilitation

7/23/2019 Jan 2004 Verbal Facilitation

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Verbal Facilitation of Multiple FaceRecognition

Charity Brown & Toby J. Lloyd-Jone

!ni"erity of #ent

Reearch funded by the $.%.R.C

otdoctoral Fellowhip che'e



The Verbal Overshadowing of Faces

( Describing a previously seen face can interfere with

subsequent recognition of that same face

)%chooler & $ngtler-%chooler* +,,

( Verbal interference extends to other domains involving

perceptual expertise

Viual i'agery* Voice Recognition* /ine Tating

( Verbal overshadowing is not limited to the described stimulus

0ecribing a ingle face i'pair later recognition of a nu'ber of

both face and car )Brown & Lloyd-Jone* 12



Verbalisation may benefit face recognition

Verbaliation can interact with interference that ariewith e3poure to 'ultiple face

Ryan & %chooler )+,,4

( 4 face then recognition wa teted

( No Description: recognition perfor'ance ubtantially declined acrothe 4 recognition tet

( Description: 'uch le interference

0ecribing a face pro"ide a "erbal tag that help to

eparate it fro' other face



xp !: Describing each face in a series "N#$%&

'tudy (hase "!) faces&

Blan5 creen

)+6' Beep

7 D vs* ND Continue

)16' ro'pt 1'

+ecognition Test "!) study , !) new faces&

7 8e9:o 0eciion ;%; )+'

)16'



Description

-ean "'D&

No Description

-ean "'D&

+.+< ).62 .,4 ).=+

xp !: Describing each face in a series

Recognition >ccuracy )d?

F)+*=2 @ =.+2* p A .6



xp ): Describing target faces in a series "N#$.&

'tudy (hase "!) pairs of faces&

Blan5 creen

)+6' Beep

7 7 0"target& ". :0 Continue

ro'pt

6' 6'

)non-target )target

+ecognition Test

!) target , !) non/target study faces

, )% new faces



0

0.2

0.4

0.6

0.8

1

1.2

Target Non/target

0 c c u r a c y

" d 1 & Description

No Description

xp ): Describing target faces in a series



Description

-ean "sd&

No Description

-ean "sd&

.== ).66 .66 ).44

xp 2: Describing similarities between two faces in

each pair in a series "N#3$&


F)+*66 @ +.=+* p @ n



Description

-ean "sd&

No Description

-ean "sd&

.6 ).64 .6= ).46

xp %: Describing differences between two faces in

each pair in a series "N#34&


F)+*6< @ 4.<* p A .6



Description 5uality for Descriptions of Differences and

'imilarities

Mean no. ofdecriptor )d

%i'ilaritie 1.4 ).2

0ifference 1.=2 ).6<

roportion featuraldecriptor )d

roportion holiticdecriptor)d

%i'ilaritie .4 ).+= .16 ).+6

0ifference .=1 ).+6 .2 ).+6



'imilarities and Differences "N#!!3&

0ecriptor Feat ol Facil )0V

0ecriptor - .+ -.+ .<

Feat - -.,,DD -.+<

ol - .1D

Facil )0V -

**p<.01 *p<.05



'imilarities "N#3$&


0ecriptor - .+4 -.+= -.+

Feat - -.,,DD -.46DD

ol - .4=DD

Facil )0V -

**p<.01



Differences "N#34&


0ecriptor - .+ .+ .1<D

Feat - -.,,DD .+2

ol - -.<

Facil )0V -

**p<.01 *p<.05



( $ffect of "erbal facilitation are wea5er for decription ofi'ilaritie than difference

( 0ecription of difference elicited 'ore holitic decriptor

than decription of i'ilaritie

( The greater the proportion of holitic decriptor the

greater the iEe of facilitation effect

( Verbal facilitation i deter'ined by the e3tent to which the

decription encourage generation of holitic infor'ation

'ummary of xperiments 2 and %



( Verbal tag )%chooler et al.* +,,=

( uantity of "iual proceing )Bloo' & Mudd* +,,+

( %hift in proceing )Brown & Lloyd-Jone* 11

6onclusions

jan 2004 verbal facilitation

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