Topic 12: Evolution of Prey

Play 3 general categories

1. Object play

2. Locomotor play

3. Social Play

Additional Interpretations of Play Predications

a) The amount of play should affect the ability to handle unexpected events

b)Predict self-handicapping, allowing subordinates to defeat them in play fight

c)Play should have a positive effect on somatosensory, motor and emotional sensors

Potential aspects linking to play welfare

1) Play indicates absence of stress

2) Opioid- mediated pleasurable reward

3) short & long term psychological and fitness benefits

4) socially contagious

Burghardt, 2014- on play

1)Incompletely functional in the context in which it appears, as it does not contribute to current survival

2) Spontaneous, pleasurable, rewarding, or voluntary

3) Differs from other, more serious behaviors in form or timing

4) Is repeated but not abnormal and unvarying stereotype form

5) Is initiated in the absence of environmental and social stressors