Introduction What is the evolutionary/sociobiological perspective? It is described as the view of human development that focuses on evolutionary and biological bases of behavior. It argued that all small animal behavior, including humans, is the product of heredity, environmental stimuli, and past experience. The basis for behavior is heredity + environmental stimuli + past experience.
Edward Osborne “E.O.” Wilson Proponent of the evolutionary/sociobiological perspective An American biologist and naturalist.
Relevant Theories Charles Darwin’s theory on natural selection John Bowlby’s theory on attachment
Species overtime evolve through natural selection Natural selection: organisms adapt and favorable traits are passed on to the next generation Framework for understanding biological and social components of evolution Charles Darwin’s theory on natural selection
●Variation among population ●Social behaviors and reproductive success ●Trait heritability Key Points
Bond between infant and caregiver Attachment behaviors = innate Attachment behaviors evolved as adaptive strategies to ensure survival Secure attachments = improves survival John Bowlby's theory on attachment
The 4 stages of attachment Pre attachment (birth-6 weeks) proximity maintenance and comfort rather than forming specific attachment bonds. 2. Attachment in the making (6 weeks to 6-8 mos.) preference for caregivers-accepts care from anyone-does not yet exhibit separation anxiety. 3. Clear cut attachment (6-8 mos. to 18-24 mos.) established attachment to the caregiver -exhibits separation anxiety around strangers. 4. Formation of reciprocal relationships (24 mos. +) established mental representations-formation of multiple attachments-lesser likelihood of separation anxiety.