How cultures can shape genetic evolution? презентация

Polina
Vanessa Vormittag

psychological mechanisms for facing adaptive challenges

Cultural evolutionary processes that generate cross-cultural patterns of psychological variation.

we are learning
skill, success and prestige biases
conformist transmission

2. Language acquisition - languages can evolve culturally to fit brains

3. Mechanisms in ethnic groups - predictions about when we expect ethnic phenomena to co-occur and which interventions are likely to work.

farming and malaria existence

Polenesians and type II diabetes (special gene)

McNamara, R. A., Slingerland, E., & Henrich, J. (2016). The cultural evolution of prosocial religions. Behavioral and brain sciences, 39.

Genealogical relatedness decreases geometrically with increasing group size, and strategies based on direct or indirect reciprocity fail in expanding groups

Big God replaced many small gods

Context-based cultural learning is important if we wish to construct a comprehensive account of the differential spread of religious beliefs and behaviors

These practices exploit human psychology in a host of different ways, including synchrony to build ingroup solidarity and signals (e.g., sacrifices, painful
initiations, celibacy, fasting), and other cultural learning biases (conformity, prestige, and age) to more effectively transmit commitment to others

Religion changed everything!