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Scientists Shed New Light on Mystery of Infant Consciousness

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An international research study reveals that infants might possess conscious experiences from birth, integrating sensory and cognitive responses to understand their environment. This pioneering work, published in Trends in Cognitive Science, offers novel insights into infant consciousness and perception.

An international research team from Trinity College Dublin, along with collaborators in Australia, Germany, and the USA, has discovered evidence suggesting the presence of some form of conscious experience from birth, and possibly during the late stages of pregnancy.

This study, which has been published in the peer-reviewed journal Trends in Cognitive Science, carries significant implications in the realms of clinical practice, ethics, and potentially law, according to the authors. 

In the study, entitled ‘Consciousness in the cradle: on the emergence of infant experience’, the researchers argue that by birth the infant’s developing brain is capable of conscious experiences that can make a lasting imprint on their developing sense of self and understanding of their environment.

Understanding Infant Consciousness

The team comprised neuroscientists and philosophers from Monash University, in Australia, University of Tübingen, in Germany, University of Minnesota, in the USA, and Trinity College Dublin.

Although each of us was once a baby, infant consciousness remains mysterious, because infants cannot tell us what they think or feel, explains one of the two lead authors of the paper Dr Tim Bayne, Professor of Philosophy at Monash University (Melbourne). 

“Nearly everyone who has held a newborn infant has wondered what, if anything, it is like to be a baby. But of course, we cannot remember our infancy, and consciousness researchers have disagreed on whether consciousness arises ‘early’ (at birth or shortly after) or ‘late’ ­– by one year of age, or even much later.”

Methodology and Findings

To provide a new perspective on when consciousness first emerges, the team built upon recent advances in consciousness science. In adults, some markers from brain imaging have been found to reliably differentiate consciousness from its absence, and are increasingly applied in science and medicine. This is the first time that a review of these markers in infants has been used to assess their consciousness.

Co-author of the study, Lorina Naci, Associate Professor in the School of Psychology, who leads Trinity’s ‘Consciousness and Cognition Group, explained: “Our findings suggest that newborns can integrate sensory and developing cognitive responses into coherent conscious experiences to understand the actions of others and plan their own responses.”

The paper also sheds light into ‘what it is like’ to be a baby. We know that seeing is much more immature in babies than hearing, for example. Furthermore, this work suggests that, at any point in time, infants are aware of fewer items than adults, and can take longer to grasp what’s in front of them, but they can easily process more diverse information, such as sounds from other languages, than their older selves.

Reference: “Consciousness in the cradle: on the emergence of infant experience” by Tim Bayne, Joel Frohlich, Rhodri Cusack, Julia Moser and Lorina Naci, 12 October 2023, Trends in Cognitive Sciences.
DOI: 10.1016/j.tics.2023.08.018




Infant Baby Brain Illustration

An international research study reveals that infants might possess conscious experiences from birth, integrating sensory and cognitive responses to understand their environment. This pioneering work, published in Trends in Cognitive Science, offers novel insights into infant consciousness and perception.

An international research team from Trinity College Dublin, along with collaborators in Australia, Germany, and the USA, has discovered evidence suggesting the presence of some form of conscious experience from birth, and possibly during the late stages of pregnancy.

This study, which has been published in the peer-reviewed journal Trends in Cognitive Science, carries significant implications in the realms of clinical practice, ethics, and potentially law, according to the authors. 

In the study, entitled ‘Consciousness in the cradle: on the emergence of infant experience’, the researchers argue that by birth the infant’s developing brain is capable of conscious experiences that can make a lasting imprint on their developing sense of self and understanding of their environment.

Understanding Infant Consciousness

The team comprised neuroscientists and philosophers from Monash University, in Australia, University of Tübingen, in Germany, University of Minnesota, in the USA, and Trinity College Dublin.

Although each of us was once a baby, infant consciousness remains mysterious, because infants cannot tell us what they think or feel, explains one of the two lead authors of the paper Dr Tim Bayne, Professor of Philosophy at Monash University (Melbourne). 

“Nearly everyone who has held a newborn infant has wondered what, if anything, it is like to be a baby. But of course, we cannot remember our infancy, and consciousness researchers have disagreed on whether consciousness arises ‘early’ (at birth or shortly after) or ‘late’ ­– by one year of age, or even much later.”

Methodology and Findings

To provide a new perspective on when consciousness first emerges, the team built upon recent advances in consciousness science. In adults, some markers from brain imaging have been found to reliably differentiate consciousness from its absence, and are increasingly applied in science and medicine. This is the first time that a review of these markers in infants has been used to assess their consciousness.

Co-author of the study, Lorina Naci, Associate Professor in the School of Psychology, who leads Trinity’s ‘Consciousness and Cognition Group, explained: “Our findings suggest that newborns can integrate sensory and developing cognitive responses into coherent conscious experiences to understand the actions of others and plan their own responses.”

The paper also sheds light into ‘what it is like’ to be a baby. We know that seeing is much more immature in babies than hearing, for example. Furthermore, this work suggests that, at any point in time, infants are aware of fewer items than adults, and can take longer to grasp what’s in front of them, but they can easily process more diverse information, such as sounds from other languages, than their older selves.

Reference: “Consciousness in the cradle: on the emergence of infant experience” by Tim Bayne, Joel Frohlich, Rhodri Cusack, Julia Moser and Lorina Naci, 12 October 2023, Trends in Cognitive Sciences.
DOI: 10.1016/j.tics.2023.08.018

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