M1 UE6 Psychologie cognitive et neurocognition - TDL.Sparrowwww.univ-lille3.fr/ureca/sparrowOptimal Viewing Position (OVP)ouPosition Optimale de Fixation(suite)
Mouvements utiliss dans la lecture :Saccades- oriente la fova vers la cible- rapides (20 ms) et prcises
FovaZone fovale (2)Zone parafovale (10)Vision priphriqueVision priphrique
Direction du regardexentricitGrain (diffrence entre C et O) pour mesurer lempan, ncessit de prsenter trs rapidement la chaine de caractres, avant que le sujet ralise une saccade tche trop difficile, augmentation du contraste en insrant la lettre reconnatre dans des chaines composes de nombre :142C64 taille de lempan = 3 caractres de part et dautre du point de fixation
Lempan perceptif en lecture est asymtrique.
fixation3 caractres gauche et 7 ou 8 droiteMilieu du mot (50%)Meilleure performance (OVP)35C67176C53Pourtant lempan est symtrique dans cette situation ???
Feuil1
XXXXXXXXXX
Feuil2
Feuil3
Feuil1
XXXX
BATEAU
Feuil2
Feuil3
En lecture de texte : point de fixation dans le mot ou Initial Landing Position
Feuil3
FFGDFT
N245.58585263.7275295.0192
D239.6319.2427.05
bf L
249.3035316.6268358.56015
269.25843.2667949.9583
hf C
245.58585263.7275295.0192
239.6319.2427.05
Feuil3
00
00
00
N
D
Feuil2
shortlongcart
N1.361.56-0.20
D2.403.20-0.80
moy.22
Feuil2
00
00
N
D
Nb of fixation
Feuil1
Sujet x Frquence
DPFEffet de la longueurEffet de la rgularit(en ms)
(en ms)CLcartIRcartBFHFcart
NDcartN243244-1.04N237251-14.11N2452432.68
2442528D25924612.98D246258-12.18D27423142.63p=0.01
NSmoy.251245moy.242255F(1,18)=5.03, p=0.03
NSNS
Dures de RegardFrequencyword legthRegularity
lowhighcartshortlongcartIRcart
NDcartN30628917.50N28031535.40N293303-10.29
298531233D689372317D427634207D57548787.37
F(1,18)=16.36, p=.0007mean498331mean354475moy.434395
F(1,18)=21.24, p=.0002F(1,18)=11.9, p=.002interaction : F(1,18)=8.48, p=.009
interaction : F(1,18)=17, p=.0006interaction F(1,18)=5.96, p=.02
Interaction Sujet x FrquenceInteraction Sujet x LongueurEffet de la rgularit
(en ms)(en ms)
total fixationBFHFcartCLcartIRcart
NDeffectN35131932.00N319351-31.54N323347-24.15
335658323D834482352.11D572743-171D67164427.49
F(1,18)=15.56, p=.0009F(1,18)=15.86, p=.0008moy.446547moy.497496
F(1,18)=6.83, p=.01NS
Fix_tab
1nibc1.3677778244
2nibl1.603333354
3nifc1.2211110592
4nifl1.5888888836
5nrbc1.5933333635
6nrbl1.5599999428
7nrfc1.2577778101
8nrfl1.48333334921.4594444484
9dibc2.7033333778
10dibl4.0999999046
11difc2.1466667652
12difl2.4800000191
13drbc2.9000000954
14drbl3.5399999619
15drfc1.8600000143
16drfl2.67666673662.8008333594
bfhf
N1.53111112121.38777777550.1433333457
D3.31083333492.29083338381.0199999511
cl
N1.36000001431.55888888240.1988888681
D2.40250006323.19916665550.7966665924
1.88125003872.379027769
ir
N1.44527778031.4736111164-0.0283333361
D2.85750001672.7441667020.1133333147
2.15138889852.1088889092
DR_tab
1nibc278.2517278.2517
2nibl322.9731322.9731
3nifc253.955253.955
4nifl314.9393314.9393
5nrbc314.2048314.2048
6nrbl310.2805310.2805
7nrfc273.5273.5
8nrfl313.2996297.6755313.2996
9dibc558.35558.35
10dibl962.15962.15
11difc315.85315.85
12difl461.65461.65
13drbc512.8666512.8666
14drbl724.3834724.3834
15drfc322.55322.55
16drfl388.7167530.8145875388.7167
bfhf
N306.427525288.92347517.50405
D689.4375372.191675317.245825
cl
N279.977875315.37312535.39525
D427.40415634.225025206.820875
353.6910125474.799075
ir
N292.529775302.821225-10.29145
D574.5487.12917587.370825
433.5148875394.9752
BFHF
clcl
N296.22825316.6268263.7275314.11945
D535.6083843.2667319.2425.18335
trad
Vitesse de lecture (en sec.)Nombre de fixationsAmplitude des saccades
d'une page de 49 mots(page de 49 mots)(en caractres)
NDcartNDcartNDcart
15.3824.869.4853.9278.524.588.055.73-2.32
t(15)=5.02, p=0.0001t(15)=3.65, p=0.002t(15)=3.45, p=0.003
% de rajustements aprs
un retour de ligne
NDcart
3566-31
t(15)=2.2, p=0.04
FT_tab
1nibc304.3184
2nibl367.2398
3nifc280.6217
4nifl340.1593
5nrbc383.1966
6nrbl349.8805
7nrfc309.4167
8nrfl346.4329335.1582375
9dibc720.35
10dibl961.55
11difc422
12difl581.65
13drbc714.5333
14drbl938.3666
15drfc432.1
16drfl490.6657.6437375
bfhf
N351.158825319.1576532.001175
D833.699975481.5875352.112475
cl
N319.38835350.92812531.539775
D572.245825743.04165170.795825
445.8170875546.9848875
ir
N323.0848347.231675-24.146875BFHF
D671.3875643.89997527.487525clcl
N343.7575358.5601514.80265N295.0192343.296148.2769
497.23615495.565825D717.44165949.9583232.51665D427.05536.125109.075
530.599575654.259225361.0346439.71055
DPF_tab
1nibc228.555
2nibl253.1165
3nifc237.2217
4nifl228.6393
5nrbc253.9544
6nrbl245.4905
7nrfc253.95
8nrfl250.594243.940175
9dibc258.3
10dibl261.85
11difc229.65
12difl235.45
13drbc298.0667
14drbl276.65
15drfc249.55
16drfl209.7167252.404175
bfhfbf Lhf C
N245.2791242.601252.67785N249.3035245.58585
D273.716675231.09167542.625D269.25239.6
cl19.9465-5.98585
N243.420275244.4600751.0398
D258.891675245.916675-12.975
251.155975245.188375
ir
N236.883125250.997225-14.1141
D246.3125258.49585-12.18335
241.5978125254.7465375
prev
DPF (en ms)DR (en ms)Nb de fixations
AmplitudeAmplitudeAmplitude
LCcartLCcartLCcart
25124011N32428440.42p=.03N1.120.370.75p= 12= 12= 1212
M m o i r e
Graph2
16.5715.7
34.2327.6
17.829.5
N
D
position in word
% of saccade
nor
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coupb03429632812.510037.934575277610095.8351511778x94.3122144148x12.5x12.586.77034018512.58.903293388655.323527860212.5100xx32.5771431943
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38.437214830640.6125343853
dys
CoordXFinX123456789111314151618
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moisd01424027221.656994684212.590.976772367112.512.8635907723
tted02436840033.61733885947.54717086741001.7788293406100
villed03529633667.826188827526.611401199414.419148320173.381279962158.158003422
jeuned04533637675.349959101574.2313395091x2.449883029661.0667296006
ainsid05536840860.810270850470.357166481353.923639782225.616315465910
lumired06727232811.817281717760.5722246686x28.87053386211.5247422941
enfantsd07736041614.786746684467.134633034291.77738933997.142857142923.3937105434
recevoird08820026441.454050412934.7366715141x16.130778738127.5724231518
continuerd09912019278.333899333712.58201877717.691229207460.703627517562.5163070912
plusieursd109336408x67.079936484730.015565318121.761895004541.0224136462
41.846172681643.575569826942.373265987934.393103768440.8745596617
40.6125343853
categor1
0-101.21.16666666671.41.33333333331.51.28571428571.33333333331.1251.33333333331.1251.1251.751.111111111111.81.33333333331.751.5
1.29142246641.4766666667
t0.1435413617
tot313433313332263338333833321225132920
nb565687686888925382
% pris16.129032258117.647058823515.151515151519.354838709724.242424242421.87523.076923076924.242424242415.789473684224.242424242421.052631578924.242424242428.12516.66666666672023.076923076927.586206896610
moy21.167013096419.465959328
11-3011.14285714291.41.45454545451.16666666671.12511.15384615381.33333333331.14285714291.1252.612211.83333333331.8
1.2803158381.7266666667
t0.0609808711
tot313433313332263338333833321225132920
nb77511686139785616365
% pris22.580645161320.588235294115.151515151535.483870967718.18181818182523.076923076939.393939393923.684210526321.212121212121.052631578915.151515151518.758.33333333332423.076923076920.689655172425
moy23.023648130520.2199823165
30-501.21.111.51.71428571431.28571428571.166666666711.21.51.46153846151.51.751.33333333331.512.62
1.33678500991.6866666667
t0.100249793
tot313433313332263338333833321225132920
nb5101267762106136434354
% pris16.129032258129.411764705936.363636363619.354838709721.212121212121.87523.07692307696.060606060626.315789473718.181818181834.210526315818.181818181812.5251623.076923076917.241379310320
moy21.759528810820.2636604775
50-70111.428571428621.33333333331.751.751.33333333331.411.421.51211.61
1.45347985351.32
t0.5108009033
tot313433313332263338333833321225132920
nb227234435255413151
% pris6.45161290325.882352941221.21212121216.45161290329.090909090912.515.38461538469.090909090913.15789473686.060606060613.157894736815.151515151512.58.3333333333127.692307692317.24137931035
moy11.237849554810.0534040672
70-1001.333333333311.333333333311.33333333331.511.16666666671.33333333331.444444444412.28571428571.21.42.61.33333333332.753
1.30231990232.2166666667
t0.0028909982
tot313433313332263338333833321225132920
nb973194366917555346
% pris29.032258064520.58823529419.09090909093.225806451627.272727272712.511.538461538518.181818181815.789473684227.27272727272.631578947421.212121212115.62541.66666666672023.076923076913.793103448330
moy16.458547462425.7073386384
bis
1456789111314151618N12345678911131415D
11212211111x11ccc2ccc1ccx1ccx8c
2111x11x11111ccccccxxcxccc1xxcc
x112111122211xcxcccx12c2c1cxcxc
11x1x11x11131ccccxcxccxccccxccx
x213112121221xc1c11ccccc2cccc1c
1112111121231cccccccc2cccccccc9
1122121111132cccccccccccccccccc
21232212222222c2cccxccccc2c112xc
11x111111112xcxccccxccccccccxcc
1113221111321cccccc1cccccc1cccx
x111111111121xccccccc11cccccxcc
xxx1xx1x111xxxxcxxcxxcxccccccc1
111x1x1x21121c1cx1x1xcxc2cc1xxc
1111221111x111ccxccccccccxx1ccc
111111111111xPosition111c1cx1ccccc1cccc
2111121112221mini7021ccc2ccccccccx112
x1221x1111231maxi100c1cccxccc1c3cccccc
x1x112111x111xcxcc2xccc1xcxccc1
11133111131410.3333333333cccxccccc3c4cc3cc4
12232121321311cccccccc2cccccccc
x11xx21111x21x1ccxxx1xcx2xxx1crix
x111123121122x1ccccccc1cccxxccx
11112x111112xcccccxcccccccccccc
1111111111111cccccccc11cx1cxxcc
111121211121211cc21ccc1c1cccccc
1111112111111cc1c1ccccccccccccc
11222111221211cccccc1cccccccccc
1111111121111cccccccccccccxxccc
1122111211223cccccccccccccc6cc5
221212211113xcccccccccccccxcccc
1xx2111x1x11xcxcxxccccxcxcccxcc
11111x111x111ccxc1cxxcxcxcccxc1
22111x11111x1cxcccxcx1ccc1ccc1c
1x12x12111111cxcxccx1c1ccc22xcc
111x12x211121cccc1xx2xcccccxccc
1111111111121cccccc1ccccccccxcc
22112111121212cc1ccccc2c2cccxcc
x112x11111121ccccccxccccccccxcc
11212212222331ccc2cxcccccc2cccc
1x12311221211cccxcccccccccxcccc
1.19354838711.13888888891.22857142861.56756756761.41176470591.35294117651.20512820511.14285714291.31.24324324321.31578947371.89189189191.23529411761.311.2511.33333333331.511.16666666671.33333333331.44444444441.52.28571428571.21.441.33333333332.753.2857142857
1.32519124841.33180708182.5538095238
t0.0026696463
1.33333333332.361.153846153822.5tot313433313332263338333833321225132920
nb1074194366927556347
1.8694358974% pris32.258064516120.588235294112.12121212123.225806451627.272727272712.511.538461538518.181818181815.789473684227.27272727275.263157894721.212121212115.62541.66666666672423.076923076913.793103448335
moy17.142215803127.5073386384
0.00942449061.29142246641.4766666667
1021.167013096419.465959328
moy23.023648130520.2199823165
Feuil2
Nb of fixation% of saccades% of saccades
NDNDND
0-101.291.4216.5715.700-1016.5715.70
15-451.341.8434.2327.6015-4534.2327.60
60-1001.412.4117.8029.5060-10017.8029.50
Feuil2
00
00
00
N
D
position in word
Nb of fixation
Feuil1
00
00
00
N
D
position in word
% of saccade
nor_nb_fix
0-101.21.16666666671.41.33333333331.51.28571428571.33333333331.1251.33333333331.1251.1251.751.111111111111.81.33333333331.751.5
1.29142246641.4766666667
t0.1435413617
tot313433313332263338333833321225132920
nb565687686888925382
% pris16.129032258117.647058823515.151515151519.354838709724.242424242421.87523.076923076924.242424242415.789473684224.242424242421.052631578924.242424242428.12516.66666666672023.076923076927.586206896610
moy21.167013096419.465959328
10-451.09090909091.11764705881.15384615381.55555555561.45454545451.21428571431.09090909091.13333333331.33333333331.33333333331.33333333332.11.14285714291.52.142857142912.18181818182.1111111111
1.31183758421.7871572872
t0.021800159
tot313433313332263338333833321225132920
nb1117131811141115181221107276119
% pris35.48387096775039.393939393958.06451612933.333333333343.7542.307692307745.454545454547.368421052636.363636363655.263157894730.30303030321.87516.66666666672846.153846153837.931034482845
moy41.458549476934.7503094607
46-651.33333333331.51.42857142861.751.251.251.251.5111.21.833333333321.33333333331.411.51
1.40732600731.2466666667
t0.3069818754
tot313433313332263338333833321225132920
nb327444424356435161
% pris9.67741935485.882352941221.212121212112.903225806512.121212121212.515.38461538466.060606060610.52631578959.090909090913.157894736818.181818181812.525207.692307692320.68965517245
moy12.246037744615.6763925729
66-1001.311.142857142911.41.66666666671.51.14285714291.3751.41.66666666672.28571428571.14285714291.43.71428571431.33333333332.753.2857142857
1.38635531142.4966666667
t0.0037181536
tot313433313332263338333833321225132920
nb108711064781037757347
% pris32.258064516123.529411764721.21212121213.225806451630.30303030318.7515.384615384621.212121212121.052631578930.3030303037.894736842121.212121212121.87541.66666666672823.076923076913.793103448335
moy20.631745444728.3073386384
dys_nbfix
1456789111314151618N12345678911131415D
11212211111x1ccccc2cc1ccx1xcx8c
2111x11x11111ccccccxccxccc1xccc
x112111122211xcxcccx1cc2c1cxcxc
11x1x11x11131ccccxcxccxccccxccx
x213112121221xc1c11cccc22cccc1c
1112111121231cccccccc2ccc1cccc9
1122121111132cccccccccccccccccc
21232212222222c2cc2xc2ccc2c112xc
11x111111112xcxccccxccccccccxcc
1113221111321cccc2c1cccccc1cccx
x111111111121xccccccccccc1ccxcc
xxx1xx1x111xxxxcxxcxxcxccccccc1
111x1x1x21121cccc1x1xcxc2cccxxc
1111221111x111ccxccccccccxx1ccc
111111111111xPositioncc1c1cx1c1cccccccc
2111121112221mini65c11cc2c1ccccccx112
x1221x1111231maxi99cccccxcc1cc3cccccc
x1x112111x11134x1xcc2xccc1xcxccc1
1113311113141cccxccccccc4cc3ccc
122321213213116.6666666667ccccccccc2cccccccc
x11xx21111x21x11ccxxcxcx2xxc1cx
x111123121122xccccc3cc1cccxcccx
11112x111112x1ccccxcccccccccccc
1111111111111cccccccccccx1ccxcc
111121211121211cc2ccccccccccccc
1111112111111cc1c1ccccccccccxcc
11222111221211cccccc1cccccccccc
1111111121111cccccccccccccxxccc
112211121122339.5cccccccccccccc6cc5
221212211113xcccccccccccccxcccc
1xx2111x1x11xcxcxxccccxcxcccxcc
11111x111x111ccxcccxxcccxcccccc
22111x11111x1cxcccxcx1cccccricc1c
1x12x12111111cxcxccx1c1ccc22xcc
111x12x211121cc1ccxx2xcccccxccc
1111111111121cccccc1ccccccccxcc
22112111121212cccccccccc2cc2xcc
x112x11111121ccccccxccccccccxcc
11212212222331cccccxc2cccc2cccc
1x12311221211cccxcccccccccxcriccc
1.19354838711.13888888891.22857142861.56756756761.41176470591.35294117651.20512820511.14285714291.31.24324324321.31578947371.89189189191.23529411761.285714285711.1428571429x1.33333333331.81.51.16666666671.51.251.66666666672.51.16666666671.54.16666666671.33333333332.753.6
1.32519124841.44265873022.67
t0.0067234244
1.33333333332.361.153846153822.5tot313433313332263338333833321225132920
nb747065466436646345
1.8694358974% pris22.580645161311.764705882421.2121212121018.181818181815.62515.384615384618.181818181815.789473684212.12121212127.894736842118.181818181818.7533.33333333332423.076923076913.793103448325
moy15.051381910323.8406719717
0.0094244906
1.21.16666666671.41.33333333331.51.28571428571.33333333331.1251.33333333331.1251.1251.751.111111111111.81.33333333331.751.5
1.29142246641.4766666667
t0.1435413617
tot313433313332263338333833321225132920
nb565687686888925382
% pris16.129032258117.647058823515.151515151519.354838709724.242424242421.87523.076923076924.242424242415.789473684224.242424242421.052631578924.242424242428.12516.66666666672023.076923076927.586206896610
moy21.167013096419.465959328
0.10886470660.0586400107
faonx2cri81
crocs1crix11
l'album2cri1crix
boeufs1crix1cri
clownx2x1cri
parasol21x39
baptme1122cri
aquarium1112cri6
septimex4x2cri
l'orchestre1311cri
sixx1crixx
paysxxx21
coupx1xcrix
yeuxcri1x11
trop1x12cri
femme,xcri112
secondx111x
comptexxxx1
monsieurx3x24
deuxime1111x
duocrix1cricri
odecrixx2cri
nain,x1132
ravixxx11
mauvex2124
docilitxcrix3cri
magicienxxx21
chapiteau,cricrixx4
grisaille16145
admiratifscri2132
moisx1xxx
ttex1x11
villecri1x1x
jeune22crixx
ainsixxx1cri
lumirex2cri22
enfantsx2x11
recevoirx3xxcri
continuer24x3cri
plusieurscricrixx1
1.33333333332.361.153846153822.5
1.8694358974
Feuil3
FFGDFT
N245.58585263.7275295.0192
D239.6319.2427.05
bf L
249.3035316.6268358.56015
269.25843.2667949.9583
hf C
245.58585263.7275295.0192
239.6319.2427.05
Feuil3
00
00
00
N
D
Feuil2
shortlongcart
N319351-31.54
D572743-170.80
moy.253392
Feuil2
N
D
ms
Feuil4
Sujet x Frquence
DPFEffet de la rgularit(en ms)
(en ms)NDeffectIRcartBFHFcartCL
NDeffectShort243259-15.58N237251-14.11N2452432.68N243244
2442528Long244246-2.00D246258-12.18D27423142.63p=0.01D259246
NSeffect1-13moy.242255F(1,18)=5.03, p=0.03
NSNS
Dures de RegardFrequencyword legthRegularity
lowhighcartshortlongcartIRcart
NDeffectN30628917.50N28031535.40N293303-10.29
298531233D689372317D427634207D57548787.37
F(1,18)=16.36, p=.0007mean498331mean354475moy.434395
F(1,18)=21.24, p=.0002F(1,18)=11.9, p=.002interaction : F(1,18)=8.48, p=.009
interaction : F(1,18)=17, p=.0006interaction F(1,18)=5.96, p=.02
Interaction Sujet x FrquenceInteraction Sujet x LongueurEffet de la rgularit
(en ms)(en ms)
total fixationBFHFcartCLcartIRcart
NDeffectN35131932.00N319351-31.54N323347-24.15
335658323D834482352.11D572743-171D67164427.49
F(1,18)=15.56, p=.0009F(1,18)=15.86, p=.0008moy.446547moy.497496
F(1,18)=6.83, p=.01NS
pixel
PIXELS
164
monsieur
preferred viewing location
gaze position = 50%
tab_final
Word LengthRegularityFrequency
DPFsdShortLongeffectIrr.Reg.effectlowhigheffect
N24437N243244-1.04N237251-14.11N2452432.68
D25226D25924612.98D246258-12.18D27423142.63
D-N8D-N151D-N97D-N28-12
Frequencyword lengthRegularity
low frequencyhigh frequency
Gaze durationlowhigheffectshortlongeffectIReffectshortlongeffectshortlongeffect
N298N30628917.50N28031535.40N293303-10.29N29631720.40N26431450.39
D531D689372317D427634207D57548787.37D536843307.66D319425105.98
D-N233D-N38383D-N147319D-N282184D-N239527D-N55111
FrequencyEffet de la rgularit
word legth(en ms)
total fixationlowhigheffectshortlongeffectIRcart
N335N35131932.00N31935131.54N323347-24.15
D658D834482352.11D572743171D67164427.49
D-N323D-N483162D-N253392moy.497496
NS
Number of Fixations
FrequencyWord length
N1.46lowhigheffectshortlongeffect
D2.80N1.531.390.14N1.361.560.20
D-N1.34D3.312.291.02D2.403.200.80
D-N1.780.90D-N1.041.64
Nb of fixations% of saccades
positionNDND
0-101.291.4216.5715.70
15-451.341.8434.2327.60
60-1001.412.4117.8029.50
Fix_tab
1nibc1.3677778244
2nibl1.603333354
3nifc1.2211110592
4nifl1.5888888836
5nrbc1.5933333635
6nrbl1.5599999428
7nrfc1.2577778101
8nrfl1.48333334921.4594444484
9dibc2.7033333778
10dibl4.0999999046
11difc2.1466667652
12difl2.4800000191
13drbc2.9000000954
14drbl3.5399999619
15drfc1.8600000143
16drfl2.67666673662.8008333594
bfhf
N1.53111112121.38777777550.1433333457
D3.31083333492.29083338381.0199999511
cl
N1.36000001431.55888888240.1988888681
D2.40250006323.19916665550.7966665924
1.88125003872.379027769
ir
N1.44527778031.4736111164-0.0283333361
D2.85750001672.7441667020.1133333147
2.15138889852.1088889092
DR_tab
1nibc278.2517278.2517
2nibl322.9731322.9731
3nifc253.955253.955
4nifl314.9393314.9393
5nrbc314.2048314.2048
6nrbl310.2805310.2805
7nrfc273.5273.5
8nrfl313.2996297.6755313.2996
9dibc558.35558.35
10dibl962.15962.15
11difc315.85315.85
12difl461.65461.65
13drbc512.8666512.8666
14drbl724.3834724.3834
15drfc322.55322.55
16drfl388.7167530.8145875388.7167
bfhf
N306.427525288.92347517.50405
D689.4375372.191675317.245825
cl
N279.977875315.37312535.39525
D427.40415634.225025206.820875
353.6910125474.799075
ir
N292.529775302.821225-10.29145
D574.5487.12917587.370825
433.5148875394.9752
BFHF
clcl
N296.22825316.6268263.7275314.11945
D535.6083843.2667319.2425.18335
trad
Vitesse de lecture (en sec.)Nombre de fixationsAmplitude des saccades
d'une page de 49 mots(page de 49 mots)(en caractres)
NDcartNDcartNDcart
15.3824.869.4853.9278.524.588.055.73-2.32
t(15)=5.02, p=0.0001t(15)=3.65, p=0.002t(15)=3.45, p=0.003
% de rajustements aprs
un retour de ligne
NDcart
3566-31
t(15)=2.2, p=0.04
FT_tab
1nibc304.3184
2nibl367.2398
3nifc280.6217
4nifl340.1593
5nrbc383.1966
6nrbl349.8805
7nrfc309.4167
8nrfl346.4329335.1582375
9dibc720.35
10dibl961.55
11difc422
12difl581.65
13drbc714.5333
14drbl938.3666
15drfc432.1
16drfl490.6657.6437375
bfhf
N351.158825319.1576532.001175
D833.699975481.5875352.112475
cl
N319.38835350.92812531.539775
D572.245825743.04165170.795825
445.8170875546.9848875
ir
N323.0848347.231675-24.146875BFHF
D671.3875643.89997527.487525clcl
N343.7575358.5601514.80265N295.0192343.296148.2769
497.23615495.565825D717.44165949.9583232.51665D427.05536.125109.075
530.599575654.259225361.0346439.71055
DPF_tab
1nibc228.555
2nibl253.1165
3nifc237.2217
4nifl228.6393
5nrbc253.9544
6nrbl245.4905
7nrfc253.95
8nrfl250.594243.940175
9dibc258.3
10dibl261.85
11difc229.65
12difl235.45
13drbc298.0667
14drbl276.65
15drfc249.55
16drfl209.7167252.404175
bfhfbf Lhf C
N245.2791242.601252.67785N249.3035245.58585
D273.716675231.09167542.625D269.25239.6
cl19.9465-5.98585
N243.420275244.4600751.0398
D258.891675245.916675-12.975
251.155975245.188375
ir
N236.883125250.997225-14.1141
D246.3125258.49585-12.18335
241.5978125254.7465375
prev
DPF (en ms)DR (en ms)Nb de fixations
AmplitudeAmplitudeAmplitude
LCcartLCcartLCcart
25124011N32428440.42p=.03N1.120.370.75p
Absolument ncessaire de distinguer : lOVP : tudi laide de paradigme de mots isols Le point de fixation initial : tudi laide de paradigme de lecture de textes ou de phrasesOn peut rapprocher les 2 phnomnes, mais dterminer sils dpendent dun mme processus reste encore une hypothse ouverte.Exemples de PFP :
Exemples concernant lOVP :
Tche de dcision lexicale :
Tche de dcision lexicale :
Prsentation dcale : 1
Prsentation dcale : 2
Prsentation dcale : 3
Prsentation dcale : 4
Prsentation dcale : 5
XTABLETABLETABLETABLETABLEOptimal Viewing Position (OVP)ouPosition Optimale de Fixation
OVP : permet de mieux comprendre les processus impliqus dans le dcodage des mots.Mais peut aussi tre utilis des fins plus pratiquesExemple : la lecture chez lenfant sourd.
Grandes tapes du dveloppement oral chez lenfant entendant7-11 mois :Babillage syllabique11-14 mois:Premier mot16-22 mois:2 motstapes suivantes: grammaire, syntaxeApprentissagede lcrit = ovp
Etapes similaires chez lenfant sourd :Vers 6 mois :Babillage sign et oralVers 12 mois:Premier signeVers 16 mois:2 signestapes suivantes: combinaisons de signes, syntaxe de la langue des signestapes pr-linguistiquestapes linguistiques80 % dillettrisme !
The question whether thought is possible without language The Principles of Psychology, William James (1890).La pense est-elle possible sans langage, sous entendu, les personnes sourdes nont pas de langage.Dveloppement de loralisation
Observations de Broca sur des patients aphasiques (qui comprennent le langage mais ne parlent pas) : dbut de la localisation crbrale.Les diffrentes fonctions du cerveau sont localises anatomiquement.Conception rigide de lorganisation crbrale. Plasticit neuronale
Deux types de signes :- symbole linguistique (quivalent du mot chez lenfant signeur)- geste communicatif, couramment utilis par les bb. Mme modalit que le symbole sign linguistique, formellement identique.Les enfants sourds distinguent ces deux types de gestes et les utilisent de manire diffrentes.
Distribution bi-modale chez les enfants exposs la langue des signesActivit motrice pr-langagire, en rapport avec la segmentation, le rythmeDcomposition en syllabe, mots, phrasesBabillage = activit linguistique et non pas purement motrice
Phonetic and Gestural Method of Borel-Maisonny (Silvestre de Sacy, 1978). This program helps the child to identify speech segments and to link them to their written counterparts. Each phoneme of the language is correlated to a combination of lip movements and hand gestures.
Plusieurs hypothses concernant lOVP : habitudes de lecture (T.Nazir) contraintes lexicales spcialisation hmisphrique
Les habitudes de lecture. (T.Nazir) sens de lecture : gauche vers la droite associ un dplacement de lattention asymtrie de lempan=> Orientation de lattention vers la droite, l o se trouve linfo utile OVP invers en hbreux et en arabe
Les contraintes lexicales. les mots peuvent tre reconnus partir des premires lettres plus haut degr de contraintes lexicales au dbut des mots que vers la fin lorsque les mots taient contraints par leurs lettres finales, lOVP tendait se dplacer sur la droite, en fin de mot
La spcialisation hmisphrique temps de transfert inter-hmisphrique interaction entre la visibilit des lettres (diminuant avec l'loignement du centre) et la supriorit du champ visuel droit (CVD) pour le traitement des informations linguistiques
Hypothse de la spcialisation hmisphrique repose sur la notion de Split FovaLa question fondamentale qui se pose est la suivante :Est-ce que linformation visuelle perue en vision fovale est projete vers les 2 hmisphres (reprsentation bilatrale) ou au contraire est-elle latralise (split fova) ?
CV gaucheHmisphre droitZone fovaleZone parafovaleZone priphrique
il droitil gaucheCV droitCV Gauche
il droitil gaucheCV droitCV GaucheFOVEA
il droitil gaucheCV droitCV GaucheFOVEAEst-ce que la zone fovale est latralise ?
Projections latralisesProjections bilatrales
dlai inter-hmisphrique
quand la main utilise pour la rponse est ipsilatrale, pas de dlai de transfert si la main est controlatrale, dlai de transfert dlai observ mme avec une excentricit de 1 rsultat en faveur dune reprsentation hmisphrique latralise de la fova
il y a dominance de lhmisphre gauche pour le langage intrt a projeter une grande partie du mot vers cet hmisphre
modles classiques daccs au lexique codent la position des lettres : exemple : cat_a*ca*_at*c_tcatc_t*ca_*at*a_*t*
Reprsentation latralise (split fova) corpus de mots de 4 lettres 34% sont ambigus (tsar, star) grce au split, partage dans les 2 hmisphres 4.7 % restent ambigus item & timeit // em sur-reprsentation de la premire et de la dernire lettre
trs peu ditems ambigus
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