Humans have evolved a remarkable ability to effortlessly learn which stimuli in their environment predict potential threats, enabling them to survive in the complex world. According to the widely accepted Preparedness Theory, ...
Jul 23, 2023
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In a study conducted at the University of Turku, Finland, the neural mechanisms of different anesthetics were investigated using functional brain imaging. Disconnection from external world and events ("sleeping") was specifically ...
Jun 29, 2023
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Researchers of the Human Brain Project have used a model-based approach to identify the brain circuits implicated in consciousness. The results of the study, a collaboration between Pompeu Fabra University in Barcelona and ...
Jun 16, 2023
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Severe brain injuries or head traumas in humans can lead to various stages of so-called disorders of consciousness (DoC). These are states in which consciousness is either partly or entirely absent, such as a coma; unresponsive ...
Rumors of artificial intelligence becoming sentient abound. In July of 2022, a Google engineer claimed that an AI chatbot he was working with had become self-aware. The same AI recently passed the Turing Test, once considered ...
May 2, 2023
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Humans have consciousness. However, is it just a result of evolution or does it serve a crucial purpose? Professors Albert Newen from Ruhr University Bochum, Germany, and Carlos Montemayor from San Francisco State University, ...
May 2, 2023
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Reports of near-death experiences—with tales of white light, visits from departed loved ones, hearing voices, among other attributes—capture our imagination and are deeply engrained in our cultural landscape.
May 1, 2023
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Before undergoing surgeries and other invasive medical procedures, patients typically undergo anesthesia. Anesthesia consists in giving patients a class of drugs (i.e., anesthetics) that cause them to lose feeling in specific ...
Studies of consciousness often run into a common conundrum of science—it's hard to measure a system without the measurement affecting the system. Researchers assessing consciousness, for instance as volunteers receive anesthesia, ...
Apr 6, 2023
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Scientists have gleaned new insights into how psychedelics alter conscious experience via their action on brain activity.
Mar 20, 2023
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