Skip to main content

Table 1 Changes in free amino acid concentrations (pmol/mg wet tissue) in the brain regions corresponding to feeding behavior in chicks

From: Changes in free amino acid and monoamine concentrations in the chick brain associated with feeding behavior

Amino acids

Telencephalon

Diencephalon

Mesencephalon

Cerebellum

Brain stem

P value

Hungry

Satiated

Hungry

Satiated

Hungry

Satiated

Hungry

Satiated

Hungry

Satiated

FB

BR

Interaction

l-Aspartic acid

3,379 ± 189

3,217 ± 113

2,769 ± 136

2,811 ± 279

3,897 ± 83

3,952 ± 102

2,721 ± 136

2,856 ± 87

3,030 ± 204

3,196 ± 174

NS

<0.0001

NS

Taurine

9,051 ± 526

8,606 ± 365

3,713 ± 175

3,697 ± 112

2,810 ± 41

3,062 ± 138

7,016 ± 286

7,174 ± 167

3,402 ± 204

3,566 ± 203

NS

<0.0001

NS

l-Alanine

856 ± 58

787 ± 28

686 ± 31

675 ± 35

716 ± 22

566 ± 22

766 ± 51

787 ± 37

676 ± 52

749 ± 29

NS

<0.0001

NS

GABA

3,303 ± 196

3,190 ± 68

5,128 ± 161

5,052 ± 221

6,027 ± 154

5,354 ± 135

2,061 ± 102

2,194 ± 95

3,237 ± 264

3,492 ± 189

NS

<0.0001

NS

  1. Values are mean ± SEM. n = 7–8 in each group.
  2. FB feeding behavior, BR brain region, NS not significant.