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inhibitory interneurons. spiny stellate cells. pyramidal cells. Extrinsic lateral connections. Extrinsic forward connections. Intrinsic connections. Extrinsic backward connections. Single source model. 0.5. 0.4. 0.3. 0. 0.2. 0.1. -0.5. 0. 0. 2. 4. 6. 8. -10. 0. 10. t. x. - PowerPoint PPT Presentation
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1
spiny stellate
cells
inhibitory interneurons
pyramidal cells
4 3
236
746
63
225
1205
52
650
214
014
41
278
038
87
2)(
2))()()((
2))()((
2))()((
iii
i
ee
LB
e
e
ee
ULF
e
e
ee
LB
e
e
xxxS
Hx
xx
xxxSxSCC
Hx
xx
xxx
xxuCxSICC
Hx
xx
xxxSICC
Hx
xx
1 2)( 0xSC F
)( 0xSC L
)( 0xSC B
Extrinsicforward
connections
Extrinsic backward connections
Intrinsic connections
Single source model
Extrinsic lateral connections
2
0 2 4 6 80
0.1
0.2
0.3
0.4
2
1
)exp(1
1)(
rxxS)exp()( e
e
ee tt
HtP
t
Impulse voltage response to synaptic input
Synaptic input as a function of voltage
-10 0 10-0.5
0
0.5
x
3
spiny stellate
cells
inhibitory interneurons
pyramidal cells
IntrinsicForward
BackwardLateral
Input u
FC 1,3
LC 3,2
1
32
4
0 0.5 1 1.5 2 2.5 3 3.5 40
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
variance = 1/2
variance = 1/16
scaling
de
nsi
ty
priors
5
V1 V1
RS RSIOG
input
ForwardBackward
Lateral
PPAPPASTS
FFA
V1 RS
IOG
STSFFA
PPA
6
V1 V1
RS RSIOG
PPAPPASTS
FFA
0 200 400
0
0 200 400-60
-40
-20
0
20
40 mode 1
0 200 400-60
-40
-20
0
20
40 mode 2
0 200 400-60
-40
-20
0
20
40 mode 3
time (ms)
inputFace (predicted)Face (observed)House (predicted)House (observed)
0.11 (100%)
5.56 (100%)
0.61 (100%)
0.55 (100%)
7F B FB FBL0
50
100
150
200
)|(ln imyp
A1 A1
OF OF
PC
STG
input
ForwardBackward
Lateral
4.22
PC
STG
OF
A1
A1
8
0 200 400-20
-10
0
10
20
30mode 1
0 200 400-20
-10
0
10
20
30mode 2
0 200 400600-20
-10
0
10
20
30mode 3
time (ms)
standard (predicted)standard (observed)oddball (predicted)oddball (observed)
A1 A1
OF OF
PC
STG
0 200 400
0
input
4.0
9 (
10
0%
)
3.5
8 (
10
0%
)
3.23 (97%)2
.74
(9
8%
)
2.1
7 (
95
%)
1.93 (100%)
9
-0.5 0 0.5 1 1.5 2 2.50
0.2
0.4
0.6
0.8
1
1.2
1.4
Conditional density of contrast
contrast
pro
ba
bili
ty d
en
sity
%9.99)0( Tcp
10
-1 -0.5 0 0.5 1-1.5
-1
-0.5
0
0.5
1
1.5
2
-1 -0.5 0 0.5 1-1
-0.5
0
0.5
1
1.5
2
log scaling
log scaling
True and inferred changes in coupling (90% confidence intervals)
11
Relative error variance
True and inferred changes in coupling(90% confidence intervals)
0.5 1 1.5 20
0.2
0.4
0.6
0.8
1
