Table 3.

Summary of results (part II)

Parameter	Main effects (two-way ANOVA)			Group differences (from NaCl-Social)
Parameter	Treatment	Rearing	Interaction	NaCl-Isolation	MK801-Social	MK801-Isolation
Structure of pyramidal neurons (Fig. 5)
Dendritic spines
PFC
50	—	—	✓⁽²⁸⁾	—	—	—
100	—	—	—	n/a	n/a	n/a
150	—	✓⁽²⁹⁾	—	n/a	n/a	n/a
200	✓⁽³⁰⁾	—	—	n/a	n/a	n/a
Total	—	—	—	n/a	n/a	n/a
Structure of interneurons (Fig. 6)
Dendritic arborization
Amygdala
20	—	^#⁽³¹⁾	✓⁽³²⁾	—	—	—
40	—	✓⁽³³⁾	✓⁽³⁴⁾	—	—	↑^*
60	✓⁽³⁵⁾	✓⁽³⁶⁾	✓⁽³⁷⁾	—	—	↑^***
80	✓⁽³⁸⁾	✓⁽³⁹⁾	✓⁽⁴⁰⁾	—	—	↑^*
100	✓⁽⁴¹⁾	✓⁽⁴²⁾	^#⁽⁴³⁾	n/a	n/a	n/a
120	✓⁽⁴⁴⁾	✓⁽⁴⁵⁾	✓⁽⁴⁶⁾	—	—	↑^*
140	^#⁽⁴⁷⁾	—	—	n/a	n/a	n/a
160	—	—	—	n/a	n/a	n/a
Total	✓⁽⁴⁸⁾	✓⁽⁴⁹⁾	✓⁽⁵⁰⁾	—	—	↑^***
PFC
20	—	—	—	n/a	n/a	n/a
40	—	—	—	n/a	n/a	n/a
60	—	—	—	n/a	n/a	n/a
80	—	—	—	n/a	n/a	n/a
100	—	—	—	n/a	n/a	n/a
120	—	—	—	n/a	n/a	n/a
140	—	—	—	n/a	n/a	n/a
160	—	—	—	n/a	n/a	n/a
Total	—	—	—	n/a	n/a	n/a
Dendritic spines
Amygdala
50	—	—	—	n/a	n/a	n/a
100	—	—	—	n/a	n/a	n/a
150	—	^#⁽⁵¹⁾	^#⁽⁵²⁾	n/a	n/a	n/a
Total	—	—	—	n/a	n/a	n/a
PFC
50	^#⁽⁵³⁾	✓⁽⁵⁴⁾	^#⁽⁵⁵⁾	n/a	n/a	n/a
100	✓⁽⁵⁶⁾	✓⁽⁵⁷⁾	✓⁽⁵⁸⁾	↑^*	↑^**	↑^**
150	✓⁽⁵⁹⁾	✓⁽⁶⁰⁾	—	n/a	n/a	n/a
Total	✓⁽⁶¹⁾	✓⁽⁶²⁾	✓⁽⁶³⁾	↑^**	↑^***	↑^***

↵Symbols: (✓) statistically significant effect (two-way ANOVA); (—) no statistically significant effect (two-way ANOVA) or difference from NaCl-Social group (post hoc); (↑) increase; (n/a) not applicable; (↓) decrease; *p < 0.05; **p < 0.01; ***p < 0.001; #0.10 ≥ p ≥ 0.05.
F and p values: (28) F_(1,15) = 6.29, p = 0.024; (29) F_(1,15) = 4.88, p = 0.043; (30) F_(1,18) = 4.90, p = 0.043 (31) F_(1,19) = 3.81, p = 0.066; (32) F_(1,19) = 4.72, p = 0.043; (33) F_(1,19) = 9.02, p = 0.007; (34) F_(1,19) = 12.58, p = 0.002; (35) F_(1,18) = 7.53, p = 0.013; (36) F_(1,18) = 23.53, p = 12.8 × 10⁻⁵; (37) F_(1,18) = 12.62, p = 0.002; (38) F_(1,19) = 4.64, p = 0.044; (39) F_(1,19) = 6.55, p = 0.019; (40) F_(1,19) = 10.23, p = 0.005; (41) F_(1,20) = 4.43, p = 0.048; (42) F_(1,20) = 8.79, p = 0.008; (43) F_(1,20) = 3.27, p = 0.086; (44) F_(1,20) = 5.73, p = 0.027; (45) F_(1,20) = 5.32, p = 0.032; (46) F_(1,20) = 14.63, p = 0.0011; (47) F_(1,20) = 4.34, p = 0.050; (48) F_(1,20) = 8.31, p = 0.009; (49) F_(1,20) = 14.29, p = 0.001; (50) F_(1,20) = 18.23, p = 37.5 × 10⁻⁵; (51) F_(1,22) = 3.79, p = 0.064; (52) F_(1,22) = 3.34, p = 0.081; (53) F_(1,22) = 3.74, p = 0.066; (54) F_(1,22) = 4.53, p = 0.045; (55) F_(1,22) = 3.31, p = 0.083; (56) F_(1,22) = 11.72, p = 0.002; (57) F_(1,22) = 5.50, p = 0.029; (58) F_(1,22) = 5.18, p = 0.033; (59) F_(1,22) = 5.50, p = 0.028; (60) F_(1,22) = 7.43, p = 0.012; (61) F_(1,22) = 21.08, p = 14.2 × 10⁻⁵; (62) F_(1,22) = 6.27, p = 0.020; (63) F_(1,22) = 10.18, p = 0.004.