Introduction
Methods
Animals
Receptor autoradiography
Image and data analysis
Statistics
Results
Brain region-specific patterns of MOR binding density
Age differences in MOR binding density
Direction | Age effect | Sex effect | Interaction effect | |
---|---|---|---|---|
Telencephalon | ||||
Striatal areas | ||||
aCPu |
F
(1,40) = 0.34; p = 0.56 |
F
(1,40) = 3.52; p = 0.07 |
F
(1,40) = 0.69; p = 0.41 | |
CPu |
F
(1,46) = 0.23; p = 0.63 |
F
(1,46) = 0.48; p = 0.49 |
F
(1,46) = 0.03; p = 0.86 | |
aAcbC |
F
(1,46) = 0.30; p = 0.59 |
F
(1,46) = 1.73; p = 0.19 |
F
(1,46) = 0.22; p = 0.64 | |
aAcbSh |
F
(1,46) = 0.19; p = 0.66 |
F
(1,46) = 1.16; p = 0.29 |
F
(1,46) = 4.01; p = 0.05 | |
dmAcbSh |
F
(1,46) = 0.14; p = 0.71 |
F
(1,46) = 1.24; p = 0.27 |
F
(1,46) = 0.68; p = 0.41 | |
vAcbSh |
F
(1,46) = 4.59; p = 0.04 |
F
(1,46) = 0.10; p = 0.75 |
F
(1,46) = 0.16; p = 0.69 | |
Septal areas | ||||
LS | Higher in juveniles and males |
F
(1,42)
= 86.2; p < 0.001
|
F
(1,42)
= 6.73; p = 0.013
|
F
(1,42) = 1.63; p = 0.21 |
Bed nucleus of the stria terminalis areas | ||||
BNSTpm |
F
(1,45) = 4.32; p = 0.04 |
F
(1,45) = 0.14; p = 0.71 |
F
(1,45) = 1.54; p = 0.22 | |
BNSTp | Higher in juveniles |
F
(1,41)
= 38.29; p < 0.001
|
F
(1,41) = 0.00; p = 0.95 |
F
(1,41) = 5.95; p = 0.02 |
Amygdala areas | ||||
IPAC |
F
(1,46) = 0.46; p = 0.50 |
F
(1,46) = 1.12; p = 0.30 |
F
(1,46) = 0.05; p = 0.83 | |
MePD |
F
(1,46) = 0.93; p = 0.34 |
F
(1,46) = 0.26; p = 0.61 |
F
(1,46) = 2.76; p = 0.10 | |
BLA |
F
(1,46) = 5.84; p = 0.02 |
F
(1,46) = 0.04; p = 0.83 |
F
(1,46) = 0.06; p = 0.80 | |
PMCO | Higher in females |
F
(1,46) = 0.38; p = 0.54 |
F
(1,46)
= 9.56; p < 0.005
|
F
(1,46) = 6.60; p = 0.01 |
Hippocampal areas | ||||
CA1 | Higher in juveniles |
F
(1,46)
= 11.0; p < 0.002
|
F
(1,46) = 0.53; p = 0.47 |
F
(1,46) = 0.13; p = 0.72 |
CA2/3 | Higher in juveniles |
F
(1,46)
= 12.5; p < 0.001
|
F
(1,46) = 1.85; p = 0.18 |
F
(1,46) = 0.08; p = 0.77 |
MoDGp | Higher in adults |
F
(1,40)
= 7.02; p = 0.012
|
F
(1,40) = 0.46; p = 0.50 |
F
(1,40) = 1.42; p = 0.24 |
Diencephalon | ||||
Thalamic areas | ||||
DLG | Higher in juveniles |
F
(1,46)
= 32.1; p < 0.001
|
F
(1,46) = 1.83; p = 0.18 |
F
(1,46) = 0.49; p = 0.49 |
LDTN |
F
(1,40) = 0.18; p = 0.67 |
F
(1,40) = 4.02; p = 0.05 |
F
(1,40) = 3.16; p = 0.08 | |
LPTN | Higher in juveniles |
F
(1,38)
= 12.8; p < 0.001
|
F
(1,38) = 0.39; p = 0.54 |
F
(1,38) = 1.05; p = 0.31 |
MDL |
F
(1,40) = 0.09; p = 0.77 |
F
(1,40) = 0.25; p = 0.62 |
F
(1,40) = 0.65; p = 0.42 | |
Po | Higher in juveniles |
F
(1,45)
= 35.1; p < 0.001
|
F
(1,45) = 0.09; p = 0.76 |
F
(1,45)
= 6.63; p = 0.01
|
PV | Higher in juveniles |
F
(1,40)
= 41.4; p < 0.001
|
F
(1,40) = 1.70; p = 0.20 |
F
(1,40) = 0.05; p = 0.82 |
Re | Higher in juveniles |
F
(1,46)
= 84.0; p < 0.001
|
F
(1,46) = 0.10; p = 0.75 |
F
(1,46) = 3.07; p = 0.09 |
Rt | Higher in juveniles |
F
(1,46)
= 26.2; p < 0.001
|
F
(1,46) = 1.52; p = 0.22 |
F
(1,46) = 0.02; p = 0.89 |
sm |
F
(1,46) = 4.64; p = 0.04 |
F
(1,46) = 0.23; p = 0.63 |
F
(1,46) = 0.38; p = 0.54 | |
Mesencephalon | ||||
Tectal areas | ||||
SuG |
F
(1,46) = 4.39; p = 0.04 |
F
(1,46) = 2.32; p = 0.13 |
F
(1,46) = 0.37; p = 0.54 | |
CIC |
F
(1,36) = 2.72; p = 0.11 |
F
(1,36) = 0.40; p = 0.53 |
F
(1,36) = 0.10; p = 0.75 | |
DCIC |
F
(1,46) = 4.66; p = 0.04 |
F
(1,46) = 1.83; p = 0.18 |
F
(1,46) = 0.49; p = 0.49 | |
Tegmental areas | ||||
LPAG |
F
(1,39) = 4.56; p = 0.04 |
F
(1,39) = 0.15; p = 0.70 |
F
(1,39) = 2.90; p = 0.10 | |
SNCD |
F
(1,44) = 3.97; p = 0.05 |
F
(1,44) = 0.09; p = 0.77 |
F
(1,44) = 0.12; p = 0.73 | |
IPA |
F
(1,42) = 0.57; p = 0.45 |
F
(1,42) = 0.03; p = 0.87 |
F
(1,42) = 3.56; p = 0.07 | |
IPC | Higher in juveniles |
F
(1,42)
= 9.13; p < 0.005
|
F
(1,42) = 0.30; p = 0.59 |
F
(1,42) = 2.27; p = 0.14 |
IPL | Higher in juvenile males |
F
(1,42) = 5.26; p = 0.03 |
F
(1,42) = 0.85; p = 0.36 |
F
(1,42)
= 10.1; p < 0.005
|