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A number of studies have shown that activity in primary sensory areas of the brain is not sufficient to produce consciousness: it is possible for subjects to report a lack of awareness even when areas such as the primary visual cortex (V1) show clear electrical responses to a stimulus. [100]
Electromagnetic field theories (or "EM field theories") of consciousness propose that consciousness results when a brain produces an electromagnetic field with specific characteristics. Susan Pockett [ 1 ] [ 2 ] and Johnjoe McFadden [ 3 ] have proposed EM field theories; William Uttal [ 4 ] has criticized McFadden's and other field theories.
Dehaene reviews unconscious brain processing of various forms: subliminal perception, Édouard Claparède's pinprick experiment, blindsight, hemispatial neglect, subliminal priming, unconscious binding (including across sensory modalities, as in the McGurk effect), etc. Dehaene discusses a debate over whether meaning can be processed unconsciously and concludes based on his own research that ...
The warm brain falls well outside those limits, at about 32–40 degrees Celsius (about 90–104 degrees Fahrenheit) in the deepest regions of the brain, according to a 2022 study. Yet, scientists ...
Scientists suggest quantum entanglement in myelin sheaths generates consciousness, offering a groundbreaking new perspective on brain function and cognition.
By understanding how the brain forms memory units using metal cations, the researchers hope to delve deeper into the biochemical formation of consciousness and discover potential causes behind ...
A science of consciousness must explain the exact relationship between subjective mental states and brain states, the nature of the relationship between the conscious mind and the electrochemical interactions in the body (mind–body problem).
For example, primary consciousness includes a person's experience of the blueness of the ocean, a bird's song, and the feeling of pain. Thus, primary consciousness refers to being mentally aware of things in the world in the present without any sense of past and future; it is composed of mental images bound to a time around the measurable present.