Senay CebiogluMax Planck Institute for Evolutionary Anthropology | EVA
Senay Cebioglu
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Publications (8)
The Mirror Self-Recognition (MSR) test is the most commonly used assessment for capturing the onset of objective self-awareness in infancy, i.e., the ability to think about oneself. Among Western urban samples, 18 months marks the onset of this ability, and the majority of infants pass the MSR test by 24 months. Studies conducted with non-Western r...
It is known that infant‐directed speech (IDS) plays a key role in language development. Previous research, however, has also identified significant variability across societies in terms of how often IDS occurs. For example, some studies report very little IDS in non‐western, small‐scale societies – including children growing up in small‐scale socie...
The authors examined similarities and differences in Canadian and ni‐Vanuatu caregivers' child‐directed speech to their toddlers (N = 35, Mage: 21 months, 20 girls). Speech samples were collected (2013–2016) during free play and analyzed with a focus on describing parents' references to their toddlers. Canadian caregivers referred significantly mor...
Humans are extraordinary in the extent to which we rely on cumulative culture to act upon and make sense of our environment. Teaching is one social learning process thought to be fundamental to the evolution of cumulative culture as a means of adaptation in our species. However, the frequency of teaching and how we teach are known to vary across hu...
Infant‐directed speech (IDS) is phonetically distinct from adult‐directed speech (ADS): It is typically considered to have special prosody—like higher pitch, and slower speaking rates—as well as unique speech sound properties, e.g. more breathy, hyperarticulated, and/or variable consonant and vowel articulation. These phonetic features are widely o...
Mirror self-recognition (MSR) is considered to be the benchmark of objective self-awareness-the ability to think about oneself. Cross-cultural research showed that there are systematic differences in toddlers' MSR abilities between 18 and 24 months. Understanding whether these differences result from systematic variation in early social experiences...
We examine the opportunities children have for interacting with others and the extent to which they are the focus of others’ visual attention in five societies where extended family communities are the norm. We compiled six video-recorded datasets (two from one society) collected by a team of anthropologists and psychologists conducting long-term r...
Recent studies have proposed that social norms play a key role in motivating human cooperation and in explaining the unique scale and cultural diversity of our prosociality. However, there have been few studies that directly link social norms to the form, development and variation in prosocial behaviour across societies. In a cross-cultural study o...