3.6. Modelling Reactive Behaviours ....................................... 35
3.7. Modelling Motivated Behaviours ..................................... 38
3.8. Modelling Learning ................................................. 44
3.8.1. Associative learning ......................................... 44
3.8.2.Dynamic adjustment of the motivation degree ................... 47
3.9. Properties of BeCA ................................................. 49
3.10. About the Behavioural Columns Architecture .......................... 51
4. Behaviour-Based Social Emergence ........................................... 54
4.1. An I&I Model for Social Action ...................................... 55
4.1.1. The learning of the imitation factors ........................... 57
4.2. Properties of I&I................................................... 59
4.3. About I&I ........................................................ 59
5. A Behaviours Virtual Laboratory ............................................. 61
5.1. Virtual Labs and Behaviours Virtual Labs .............................. 62
5.2. The Virtual Environment ............................................ 63
5.3. The Animats ...................................................... 64
5.3.1. The perceptual system ....................................... 64
5.3.2. The internal medium ........................................ 65
5.3.3. The motor system ........................................... 65
5.3.4. The behaviours repertoire .................................... 66
5.3.5. BeCA in the animats ........................................ 67
5.3.6. I&I in the animats .......................................... 68
5.4. The Interface ...................................................... 68
5.5. About the BVL .................................................... 70
6. Experiments .............................................................. 72
6.1. Intelligence in the BVL ............................................. 73
6.1.1. Modelling reflex behaviours .................................. 73
6.1.2. Modelling reactive behaviours ................................ 74
6.1.3. Modelling motivated behaviours .............................. 75
6.1.4. Primary and secondary classical conditionings ................... 75
6.1.5. Learning the motivation degree ............................... 77
6.1.6. Non persistence of a consummatory action in the presence of an aversive
stimulus .................................................. 79
6.1.7. Degrees of motivation and reactiveness ......................... 80
6.2. Social Emergence in the BVL ........................................ 82
6.2.1. Imitation of behaviour ....................................... 82
6.2.2. Induction of behaviour ...................................... 83
6.2.3. Learning of the imitation parameters .......................... 84
6.2.4. Collective misbelief ......................................... 86
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