The representation of the human oral area in the somatosensory cortex: a functional MRI study

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Paper (help)
The representation of the human oral area in the somatosentory cortex: a functional MRI study
Authors: Jun J. Miyamoto, Manabu Honda, Daisuke N. Saito, Tomohisa Okada, Takashi Ono, Kimie Ohyama, Norihiro Sadato
Citation: Cerebral Cortex 16 (5): 669-675. 2006 May
Database(s): PubMed (PMID/16079244)
DOI: 10.1093/cercor/bhj012.
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The representation of the human oral area in the somatosentory cortex: a functional MRI study reports an functional magnetic resonance imaging study with examination of the somatosensory cortical area of the lip, tongue and teeth.

A related study is Vibrotactile dental stimulation measured by functional magnetic resonance imaging (fMRI)

Contents

[edit] Subjects

Subject group #1 (help)
Volunteers
Subjects/♂/♀: 14 / 8 / 6
Age: 32.6 (24–56)
Handedness: 13 Right, 1 left
Nationality: Japanese
Approval: National Institute for Psychiological Sciences, Japan
Databases:

Group 1 of 14 13 Right, 1 left-handed volunteers with 8 males and 6 females were included in the study. The Japanese group had a mean age of 32.6 with a range from 24 to 56. The study on the human subjects was approved by the National Institute for Psychiological Sciences, Japan.

[edit] Scanning

MRI Scanning (help)
Mode: fMRI
Scanner: Siemens Allegra 3.0T
Type: T2*-weighted gradient echo-planar imaging

(TR=4000ms, TE=52ms, FA=90°)

Slices: 32 (thickness=3.0mm , gap=0mm) oriented oblique parallel to central sulcus
Size: FOV=192mm matrix=128x128
Laboratory: missing laboratory

For fMRI T2*-weighted gradient echo-planar imaging scans were acquired with a 3.0T Siemens Allegra.

MRI Scanning (help)
Mode: aMRI
Scanner: Siemens Allegra 3.0T
Type: T1-weighted MPRAGE

(TR=1460ms, TE=4.38ms, FA=8°)

Slices: (thickness=3mm )
Size: FOV=192mm matrix=256x256
Laboratory: missing laboratory

For aMRI T1-weighted MPRAGE scans were acquired with a 3.0T Siemens Allegra.

MRI Scanning (help)
Mode: aMRI
Scanner: Siemens Allegra 3.0T
Type: T1-weighted MPRAGE

(TR=2500ms, TE=4.38ms, FA=8°)

Slices: (thickness=1mm )
Size: FOV=230mm matrix=256x256
Laboratory: missing laboratory

For aMRI T1-weighted MPRAGE scans were acquired with a 3.0T Siemens Allegra.


[edit] Results

Nine coordinates are listed in table 1 from 3 different stimulations

[edit] Lip

Experiment #1 : Lip somesthesis (help)
Description: missing description
Scanning:
Topic: Lip somesthesis
Analysis:
Databases:

Anatomy
BA
x
y
z
No. vox
t
z
Coordinate search
Plot
1 Rostal postcentral gyrus Lip -55.5 -11.3 41.7 Brede Database Brede Wiki NeuroSynth SumsDB Not available
2 Middle postcentral gyrus Lip -58.3 -16.0 39.4 Brede Database Brede Wiki NeuroSynth SumsDB Not available
3 Caudal postcentral gyrus Lip -58.0 -21.2 39.1 Brede Database Brede Wiki NeuroSynth SumsDB Not available

[edit] Tooth

Experiment #2 : Tooth somesthesis (help)
Description: missing description
Scanning:
Topic: Tooth somesthesis
Analysis:
Databases:

Anatomy
BA
x
y
z
No. vox
t
z
Coordinate search
Plot
1 Rostral postcentral gyrus Tooth -55.8 -11.0 40.4 Brede Database Brede Wiki NeuroSynth SumsDB Not available
2 Middle postcentral gyrus Tooth -57.6 -16.1 39.4 Brede Database Brede Wiki NeuroSynth SumsDB Not available
3 Caudal postcentral gyrus Tooth -56.7 -22.2 40.8 Brede Database Brede Wiki NeuroSynth SumsDB Not available

[edit] Tongue

Experiment #2 : Tongue somesthesis (help)
Description: missing description
Scanning:
Topic: Tongue somesthesis
Analysis:
Databases:

Anatomy
BA
x
y
z
No. vox
t
z
Coordinate search
Plot
1 Rostral postcentral gyrus Tongue -57.1 -9.8 38.5 Brede Database Brede Wiki NeuroSynth SumsDB Not available
2 Middle postcentral gyrus Tongue -58.1 -15.4 38.2 Brede Database Brede Wiki NeuroSynth SumsDB Not available
3 Caudal postcenral gyrus Tongue -57.9 -21.1 39.1 Brede Database Brede Wiki NeuroSynth SumsDB Not available
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