Table 2 Statistical analysis of the influence of main effects - the type and concentration of lithium in food on the dimensions of the left hemisphere of the insect brain.

From: Lithium salts alter the size and morphology of the Madagascar hissing cockroach’s neuroendocrine system

 

GI

control

GII-III

carbonate

GIV-V

citrate

GII i GIV

Li 0,1

GIII i GV

Li 0,01

GII-V

lithium addition

length (µm)

1153.4

± 96.0

(1023.3-1278.4)

1339.2*

± 151.5

(1150.4-1554.7)

1398.6**

± 190.0

(1171.7–1695.0)

1360.2*

± 153.6

(1152.7-1634.6)

1377.5**

± 193.1

(1150.4–1695.0)

1368.9**

± 170.0

(1150.4–1695.0)

variance analysis

p < 0.05

p < 0.05

 
  

NS

width (µm)

1161.0

± 118.6

(975.8-1257.7)

1369.1*

± 192.4

(1128.3-1747.2)

1424.7**

± 166.1

(1175.3-1666.9)

1390.2*

± 191.3

(1128.3-1747.2)

1403.5*

± 172.1

(1157.0-1660.2)

1396.9**

± 177.2

(1128.3-1747.2)

variance analysis

p < 0.05

p < 0.05

 
  

NS

length-to-width ratio

1.00

± 0.06

(0.91–1.05)

1.00

± 0.19

(0.75–1.34)

0.99

± 0.13

(0.80–1.19)

0.99

± 0.14

(0.83–1.25)

0.99

± 0.18

(0.75–1.34)

0.99

± 0.16

(0.75–1.34)

variance analysis

NS

NS

 
  

NS

  1. (*, **, ***) – statistically significant differences between means in relation to GI at p< (0.05, 0.01, 0.001) respectively.
  2. NS – no significance.