perception of a sensory experience can change even though the input remains the same
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06-12 W. W. NortonTRANSCRIPT
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Perception of a sensory experience can change even though the input remains the same.
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W. W. Norton
Agnosia - failure of perception
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W. W. Norton
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W. W. Norton
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Pohl, W., Dissociation of spatial discrimination deficits following frontal and parietal lesions in monkeys, Journal of Comparative and
Physiological Psychology 82 (1973): 227–239. Copyright © 1973 by the American Psychological Association. Adapted with permission.
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W. W. Norton
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Koh
ler,
S., K
apur
, S.,
Mos
covi
tch,
M.,
Win
ocur
, G.,
and
Hou
le, S
., (1
995)
. Dis
soci
atio
n of
pat
hway
s fo
r ob
ject
and
spa
tial v
isio
n: A
PET
stu
dy in
hum
ans.
Neuroreport
6:1
865-
1868
.
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W. W. Norton
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Ada
pted
from
Rob
inso
n, D
.L.,
and
Pete
rsen
, S.,
The
pulv
inar
and
vis
ual s
alie
nce,
Tre
nds
in N
euro
scie
nce
15 (1
992)
: 127
–132
.
Parietal Cortex
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W. W. NortonSingle neuron inferior temporal cortex
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W. W. Norton
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W. W. Norton
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W. W. Norton
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W. W. Norton
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W. W. Norton
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W. W. Norton
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W. W. Norton
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Mapping the Auditory System in Rhesus
Monkeys
NIMH, July 2002
University of Iowa
NeuroscienceProgram
The University of IowaDepartment of Psychology
Behavioral and Cognitive Neuroscience
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Auditory cortexUnfolded view of
supratemporal plane and adjoining STG.
BeltParabelt
Core
Kaas and Hackett, PNAS 2000
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Auditory Projection System
Lower Brainstem
Lower Brainstem
IC
MGB
IC
Early Auditory
Areas
MGB
Early Auditory
Areas
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Auditory Projection System
Lower Brainstem
Lower Brainstem
IC
MGB
IC
Early Auditory
Areas
MGB
Early Auditory
Areas
Corpus Callosum,Anterior & Posterior
Commissures
Tectal Commissures
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Lower Brainstem
Lower Brainstem
MGB
Early Auditory
Areas
MGB
Early Auditory
AreasForebrain Comm.
Tectal Comm. ICIC
Intact side 'Deaf' side
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Methods
Speakers 2-DG injected intravenously
Monkey listens passively for 45 min
Wide variety of acoustic stimuli
Brain prepared for autoradiography
LCGU measured in ROIs throughout brain
ROIs compared for hemispheric asymmetries
Three surgically prepared monkeys
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2 DG in Intact (left) and Deafferented (right) Hemisphere
Early auditory areas
MGB
IC
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Columns of 2-DG activation in rSTG
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Metabolic Mapping of Visual Cortex
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Metabolic Mapping of Auditory Cortex
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Overlap of Auditory and Visual Maps
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Auditory and Visual Processing Streams
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Parabelt projections to prefrontal cortex
Romanski et al., Nature Neuroscience, 1999
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Left Hemisphere Right Hemisphere
Superior Temporal Gyrus (STG)(n=7 monkeys)
12
34 5
% o
f Who
le B
rain
Act
ivity
Monkey Vocalizations
Complex Sounds and Vocalizations
Complex Sounds No Vocalizations
Ambient Background Sound
70
80
90
100
110
120
130
Human Vocalizations
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High
Low
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High
Low
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Monkey Vocalizations
p<0.001
*
Complex Sounds and
Vocalizations
p<0.01
*
FDG Activity in the Dorsal Temporal Pole
70
80
90
100
Ambient Background
Noise
% o
f Who
le B
rain
Act
ivity
Left Hemisphere Right Hemisphere
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Monkey Vocalizations
p<0.001
*
Complex Sounds and
Vocalizations
p<0.01
*
FDG Activity in the Dorsal Temporal Pole
70
80
90
100
Ambient Background
Noise
Left Hemisphere Right Hemisphere
Complex Sounds No Vocalizations
% o
f Who
le B
rain
Act
ivity