Exploratory study on dyadic interactions with and without objects in western humans and chimpanzees

Jose Luis Linaza; Colwyn Trevarthen; Juan-Carlos Gomez; Asuncion  Gonzalez del Yerro

doi:10.1007/s42087-024-00419-0

Exploratory study on dyadic interactions with and without objects in western humans and chimpanzees

Jose Luis Linaza, Colwyn Trevarthen, Juan-Carlos Gomez, Asuncion Gonzalez del Yerro^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

The aim of this study is to analyse the development of communication and cooperation in three different kinds of dyads: a western human dyad, a chimpanzee dyad, and a dyad composed of a human and a baby chimpanzee. These three different kinds of dyads participated in this research. We observed them for 12.37 h, 9 h, and 10.6 h, respectively, using narrative register and/or video tape recordings. The results show the different roles that objects play in their interaction. In the first case, the objects were used but did not catch the partners’ attention; in the second, the baby chimp asked the person who had engaged with her previously in interactive formats, for an object. In the last case, the objects were not only asked for but also made the centre of communicative acts, for which this communication had the only aim. However, the communicative repertoires of the baby chimpanzees that were analysed did not include protodeclaratives, and their expressions were dependent on contexts. The other characteristics of their social and communicative development are discussed.

Original language	English
Number of pages	25
Journal	Human Arenas
Volume	Online first
Early online date	13 Jun 2024
DOIs	https://doi.org/10.1007/s42087-024-00419-0
Publication status	E-pub ahead of print - 13 Jun 2024

Keywords

Apes
Formats of engagement
Prelinguistic communication
Primary intersubjectivity
Secondary intersubjectivity
Protodeclaratives

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title = "Exploratory study on dyadic interactions with and without objects in western humans and chimpanzees",

abstract = "The aim of this study is to analyse the development of communication and cooperation in three different kinds of dyads: a western human dyad, a chimpanzee dyad, and a dyad composed of a human and a baby chimpanzee. These three different kinds of dyads participated in this research. We observed them for 12.37 h, 9 h, and 10.6 h, respectively, using narrative register and/or video tape recordings. The results show the different roles that objects play in their interaction. In the first case, the objects were used but did not catch the partners{\textquoteright} attention; in the second, the baby chimp asked the person who had engaged with her previously in interactive formats, for an object. In the last case, the objects were not only asked for but also made the centre of communicative acts, for which this communication had the only aim. However, the communicative repertoires of the baby chimpanzees that were analysed did not include protodeclaratives, and their expressions were dependent on contexts. The other characteristics of their social and communicative development are discussed.",

keywords = "Apes, Formats of engagement, Prelinguistic communication, Primary intersubjectivity, Secondary intersubjectivity, Protodeclaratives",

author = "Linaza, \{Jose Luis\} and Colwyn Trevarthen and Juan-Carlos Gomez and \{Gonzalez del Yerro\}, Asuncion",

note = "Funding: This research was funded by the Comisi{\'o}n Asesora de Investigaci{\'o}n Cient{\'i}fica y T{\'e}cnica (CAICYT).",

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AU - Linaza, Jose Luis

AU - Trevarthen, Colwyn

AU - Gomez, Juan-Carlos

AU - Gonzalez del Yerro, Asuncion

N1 - Funding: This research was funded by the Comisión Asesora de Investigación Científica y Técnica (CAICYT).

PY - 2024/6/13

Y1 - 2024/6/13

N2 - The aim of this study is to analyse the development of communication and cooperation in three different kinds of dyads: a western human dyad, a chimpanzee dyad, and a dyad composed of a human and a baby chimpanzee. These three different kinds of dyads participated in this research. We observed them for 12.37 h, 9 h, and 10.6 h, respectively, using narrative register and/or video tape recordings. The results show the different roles that objects play in their interaction. In the first case, the objects were used but did not catch the partners’ attention; in the second, the baby chimp asked the person who had engaged with her previously in interactive formats, for an object. In the last case, the objects were not only asked for but also made the centre of communicative acts, for which this communication had the only aim. However, the communicative repertoires of the baby chimpanzees that were analysed did not include protodeclaratives, and their expressions were dependent on contexts. The other characteristics of their social and communicative development are discussed.

AB - The aim of this study is to analyse the development of communication and cooperation in three different kinds of dyads: a western human dyad, a chimpanzee dyad, and a dyad composed of a human and a baby chimpanzee. These three different kinds of dyads participated in this research. We observed them for 12.37 h, 9 h, and 10.6 h, respectively, using narrative register and/or video tape recordings. The results show the different roles that objects play in their interaction. In the first case, the objects were used but did not catch the partners’ attention; in the second, the baby chimp asked the person who had engaged with her previously in interactive formats, for an object. In the last case, the objects were not only asked for but also made the centre of communicative acts, for which this communication had the only aim. However, the communicative repertoires of the baby chimpanzees that were analysed did not include protodeclaratives, and their expressions were dependent on contexts. The other characteristics of their social and communicative development are discussed.

KW - Apes

KW - Formats of engagement

KW - Prelinguistic communication

KW - Primary intersubjectivity

KW - Secondary intersubjectivity

KW - Protodeclaratives

UR - https://www.scopus.com/pages/publications/85195863190

U2 - 10.1007/s42087-024-00419-0

DO - 10.1007/s42087-024-00419-0

M3 - Article

SN - 2522-5804

VL - Online first

JO - Human Arenas

JF - Human Arenas

ER -

Exploratory study on dyadic interactions with and without objects in western humans and chimpanzees

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Keywords

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