the role of analysis and recombination in the evolution of ... · the role of analysis and...
TRANSCRIPT
![Page 1: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/1.jpg)
The Role of Analysis and Recombination in the Evolution
of Language Structure
Mónica Tamariz [email protected]
![Page 2: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/2.jpg)
OVERVIEW I. Aques)onandananswer
– Whatareanalysisandrecombina.on?
II. Originofhumanculture– Theore)calargumenta)on(archaeology,evolu)onarytheory)
– Theroleofanalysisandrecombina)on
III. Theevolu)onofcomposi)onalityinlanguage– Empiricaldata(ar)ficiallanguagelearningstudies)
– Adapta)onofformstomeaningsthroughanalysisandrecombina)on
IV. Conclusion
![Page 3: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/3.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina2onofsymbols
![Page 4: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/4.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina2onofsymbols
![Page 5: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/5.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina2onofsymbols
![Page 6: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/6.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina2onofsymbols
E.g.Cons)tuency,Redundancy
![Page 7: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/7.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina2onofsymbols
Regularityallows:
• Generalisa)on• Compression
am wasthink
thoughttell toldsee saw
look lookedwalk walkedwork workedplay played
look‐=‘look’walk‐=‘walk’work‐=‘work’play‐=‘play’‐ =‘present’‐ed=‘past’
am=‘am’was=‘was’think=think’ thought=‘thought’tell=‘tell’told=‘told’ see =‘see’saw =‘saw
IRREGULAR REGULAR
![Page 8: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/8.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina/onofsymbols
hit
cut
![Page 9: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/9.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina/onofsymbols
hit
cut
withhand
moverepeatedly
![Page 10: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/10.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina/onofsymbols
hit(liRleeffort)
cut(lotsofeffort)
withhand
moverepeatedly
![Page 11: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/11.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina/onofsymbols
hit(liRleeffort)
cut(lotsofeffort)
withhand
moverepeatedly
Cut(liRleeffort)
![Page 12: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/12.jpg)
- Whyishumanlanguagestructuresocomplex?
- Becauseonlyhumanscandoanalysisandrecombina2onofsymbols
Dobzhansky(1973):“Nothinginbiologymakessenseexceptinthelightofevolu)on”
…alsoapplicabletolinguis)cbehaviour!
![Page 13: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/13.jpg)
II. Language Origins
• Apuzzle:Ifcumula)vecultureissoadap)ve,whyisitsorare?(Boyd&Richerson1996)
• Ananswer:Becausethecogni)vebiasesfavouredbynon‐cumula)vecultureareatoddswiththoserequiredforcumula)veculture(Tamariz2008)
![Page 14: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/14.jpg)
Origins of culture
• Cultural
1.Emergenceofearlyculture
2.Emergenceofcumula)veculture
(Tamariz2008)Notonebuttwomajortransi)ons
![Page 15: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/15.jpg)
Nonhuman cultural traditions
• Holis)ctransmission)edtofunc)on• Brokenchains
‐ Innova)onthrough“localenhancement”‐ Maximumcomplexity:individuallearning
‐ Noaccumula)on(Marshall‐Pescini&Whiten,2008)
![Page 16: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/16.jpg)
1. Transition to early culture
• Holis)ctransmission)edtofunc)on
• Unbrokenchains– Someinnova)on(analysis,recombina)on)– Someaccumula)onofstructure
Oldowan&Acheuleanstonetools:negligibleinnova2onfor1Millionyears!
Language:holis)cprotolanguage,veryliRleanalysis/recombina)on(Wray2000)
Ifsomecomplexity,innova)ondeleterioustofunc)on
Sonorms/pressuresagainstinnova)on
![Page 17: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/17.jpg)
2. Transition to cumulative culture
• Analytic transmission • Accumulation of features
– Extensive innovation (analysis, recombination)
– Interaction of different traditions
Language:grammar,composi)onality
Veryadvantageous!(Boyd&Richerson1996)
hit(liRleeffort)
cut(lotsofeffort)
withhand
moverepeatedly
Cut(liRleeffort)
![Page 18: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/18.jpg)
If it is so advantageous, why is cumulative culture so rare?
Anadap)vegap
• Earlycultureposespressure– Forrigidimita)on– Againstanalysisandrecombina)on
• Cumula)veculture– Requiresanalysisandrecombina)on
![Page 19: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/19.jpg)
If it is so advantageous, why is cumulative culture so rare?
Bridgingthegap• Largegroups/groupcontactmanycoexis)ngtradi)ons
• Culturalenvironmentfavours“localenhancement”• Theculturalenvironmenttriggersitsownevolu.on!
![Page 20: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/20.jpg)
III. Adaptation of linguistic forms to meanings
![Page 21: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/21.jpg)
Adaptation between form structure and meaning structure
Languageisasystemofsigns(Saussure)
MFFORMS MEANINGS
![Page 22: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/22.jpg)
Adaptation between form structure and meaning structure
Adapta)onofmeaningstoforms
Tracesofformstructureinthemeanings
FFORMS MEANINGS
![Page 23: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/23.jpg)
Adaptation between form structure and meaning structure
Adapta)onofformstomeanings
Tracesofmeaningstructureintheforms Focusonthis
MFORMS MEANINGS
![Page 24: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/24.jpg)
kimako
koni
kanige
kuni
winige
komako
Genera.on0:randomsignals
3featuresx3values
27differentmeanings
Artificial Language Learning Kirby, Cornish & Smith 2008
Genera.on1
![Page 25: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/25.jpg)
• Acorpusofdiachronic‘linguis)c’data
• 8lineages
• Examineonelineagewithpressureforexpressivity
Artificial Language Learning
Kirby, Cornish & Smith 2008
![Page 26: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/26.jpg)
• Oneofthefinallanguages
• Theirresults– Learningofforms– Structureofthelanguage(systema)city)– Composi)onalityisapparent,butitisnotquan2fied
Artificial Language Learning Kirby, Cornish & Smith 2008
![Page 27: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/27.jpg)
Analysis and recombination
• Evidenceforanalysis– Independenttransmissionofcomponentsoftheforms
• Evidenceforrecombina)on– Aretheyrecombinedindifferentways?
Evolu)onarydynamics– Formunitsandtheirfrequency– Adapta)ontothestructureofmeanings
![Page 28: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/28.jpg)
keko 2
keke 1
ki 1
kiki 5
kiko 4
kio 1
ko 2
koku 1
ku 1
ni 1
niki 3
niko 4
nuko 1
kehu 1
keko 1
kewa 1
kike 1
kiki 1
kiko 1
guke 1
ko 2
guki 1
hu 1
huke 1
huki 1
huko 1
hupo 1
mu 2
ni 1
nigu 1
nike 1
nimu 1
niwa 1
po 1
wa 2
wagu 1
wapo 1
keko 3
ki 2
kiki 4
kiko 8
kuki 1
kuko 1
neki 1
neko 5
niki 1
niko 1
kiko 7
kuki 8
neki 2
neko 9
nuki 1
keko 1
kiko 8
kuki 9
neko 8
niko 1
kike 6
kiko 2
kuki 9
neke 2
nike 8
keke 1
keko 1
kike 7
kiko 10
neke 6
nike 2
kike 8
kiko 10
neke 4
nike 5
keke 1
ike 1
kike 6
kiko 8
neke 6
nike 5
kike 2
kiko 9
neke 2
nike 14
kiki 1
kike 10
kiko 8
neke 5
nike 3
Segment 3
1 2 3 4 5678910
Evolutionary dynamics - Variant units
![Page 29: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/29.jpg)
Evolutionary dynamics - Frequency
!"
#"
$!"
$#"
%!"
%#"
&!"
!" $" %" &" '" #" (" )" *" +" $!"
," -"
." /"
0" 1"
2"
!"
#"
$!"
$#"
%!"
%#"
&!"
!" $" %" &" '" #" (" )" *" +" $!"
," -"
." /"
0" 1"
2" 3"
• Likegene)cdrik:intheabsenceofvaria)on,onevariantgoestofixa)on
Last consonant
Second consonant
!"#
"#
$#
%#
&#
'#
""#
"$#
(# "# )# $# *# %# +# &# ,# '# "(#
-# .# /#
0# 1# 2#
First consonant
!"
#"
$"
%"
&"
'!"
'#"
'$"
'%"
!" '" #" (" $" )" %" *" &" +" '!"
,-,." ,-,-" /0,." /-,."
,1,0" ,0,0" /0,-" /-,-"
,0,." ,0,-"
Final segment
• Stabilitysuggestsadapta)on
• Innova)on(genera)on5)
frequ
ency
generation
![Page 30: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/30.jpg)
Evolutionary dynamics – Adaptation of forms to meanings
• Signalsegmentsbecomeassociatedwithdifferentaspectsofthemeaning
– Ini)alsegment:colour
– Middlesegment:mo)on?
– Finalsegment:mo)on
• Quan)ta)veanalysis
![Page 31: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/31.jpg)
0 1 2 3 4 5 6 7 8 9 10
0.0
0.2
0.4
0.6
0.8
1.0
Generation
RegMap
!
!
!!
!!
!
!
!
!
!
! Colour Shape MotionSegment 1
Evolutionary dynamics – Adaptation of forms to meanings
![Page 32: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/32.jpg)
0 1 2 3 4 5 6 7 8 9 10
0.0
0.2
0.4
0.6
0.8
1.0
Generation
RegMap
!
!! ! !
!
!
!
!
!
!
! Colour Shape MotionSegment 2
Evolutionary dynamics – Adaptation of forms to meanings
![Page 33: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/33.jpg)
0 1 2 3 4 5 6 7 8 9 10
0.0
0.2
0.4
0.6
0.8
1.0
Generation
RegMap !
!
!
!
!!
!
!
!
!
!
! Colour Shape MotionSegment 3
Evolutionary dynamics – Adaptation of forms to meanings
![Page 34: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/34.jpg)
Evolutionary dynamics – Adaptation of forms to meanings
• Adapta)onofformscomponentstomeaningcomponentsresultsinComposi.onality
• Throughanalysisandrecombina)on
“ponekuki”
po‐=red‐kuki=bouncy
“Themeaningofawholeworddependson
themeaningoftheparts,
andtherulestocombinethem”
![Page 35: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/35.jpg)
Artificial Language Learning Population approach
• Kirby,Cornish&Smith(2008)1par)cipantpergenera)on.Enormousimpactofindividualvaria)on
• Tamariz&Smith(2008)10par)cipantsforasinglegenera)onmanipulatelevelofstructureintheinput
tunodi
kinaga
kilobe
+
kinoga
kildige
pelobe+
![Page 36: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/36.jpg)
Artificial Language Learning Population approach
• Kirby,Cornish&Smith(2008)1par)cipantpergenera)onEnormousimpactofindividualvaria)on
• Tamariz&Smith(2008)10par)cipantsforasinglegenera)onmanipulatelevelofstructureintheinput
• Sensi)vetoinputstructure(p<0.001)
• Alotofinnova)on(Kirby,Cornish&Smithdatashowthatinnova)ontowardscomposi)onalityisselectedfor)
0 1 2 3
0.0
0.2
0.4
0.6
0.8
1.0
Input Languages
RegMap
![Page 37: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/37.jpg)
Artificial Language Learning Musical language
• Par)cipantsexpect/mayinten)onallycreatepaRernsinwriRenlanguage–Effectofextensiveencultura)on?
• Brown&Tamariz(submiYed)amusicallanguage,comparetrainedmusiciansvs.non‐musicians
+ +
![Page 38: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/38.jpg)
Artificial Language Learning Musical language
• Par)cipantsexpect/mayinten)onallycreatepaRernsinwriRenlanguage–Effectofextensiveencultura)on?
• Brown&Tamariz(submiYed)amusicallanguage,comparetrainedmusiciansvs.non‐musicians
RESULTSFORMUSICIANS
• ComparabletothoseofTamariz&Smith(2008)
• Sensi)vetoinputstructure(p<0.001)
• LiRleinnova)on1 2 3
0.0
0.2
0.4
0.6
0.8
1.0
Input Languages
RegMap
![Page 39: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/39.jpg)
Artificial Language Learning Musical language
• Par)cipantsexpect/mayinten)onallycreatepaRernsinwriRenlanguage–Effectofextensiveencultura)on?
• Brown&Tamariz(submiYed)amusicallanguage,comparetrainedmusiciansvs.non‐musicians
RESULTSFORNON‐MUSICIANS
• VerydifferentfromTamariz&Smith2008
• NOTsensi)vetoinputstructure
• Noinnova)on1 2 3
0.0
0.2
0.4
0.6
0.8
1.0
Input Languages
RegMap
![Page 40: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/40.jpg)
Artificial language learning - Conclusions
• Composi)onality– Analysisofsignalsandmeaningsintocategories/components
– Independenttransmissionofsignalcomponents– Recombina)onofsignalcomponents
• Evolu)onarydynamics– Replica)on,varia)on,selec)on– Descentwithmodifica)on
• Effectsofencultura)on(prac)ceandliteracy)
![Page 41: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/41.jpg)
IV. Summary and conclusions (1)
• Otheranimalscancategorizetheirenvironment
• Onlyhumanscancategorize,analyze;imitateandrecombinecomponentsoftheirownbehaviouralproduc)ons
• Componentsundergoevolu)onarydynamics
– Replica)on,varia)on,selec)on
" Cumula)veculture
" Increasinglevelsofcomplexity
“Standingontheshouldersofgiants”
![Page 42: The Role of Analysis and Recombination in the Evolution of ... · The Role of Analysis and Recombination in the Evolution of Language Structure Mónica Tamariz monica@ling.ed.ac.uk](https://reader031.vdocuments.us/reader031/viewer/2022021820/5aef6baa7f8b9aa17b8dc5c6/html5/thumbnails/42.jpg)
Summary and conclusions (and 2)
• Roleofanalysisandrecombina2oninlanguageorigin,changeanddiversifica)on
• Uniquelyhumancapaci)es,lowprobabilityofevolving• Onceitevolvedgene)cally,allowedawholenewsystem,
culture,toevolveindependentlyofgenes
!
Biologicalevolu)o
n‐gen
es
Cultu
ralevolu)o
n–
‘com
pone
nts’