Brain scanners and AI can turn brainwaves into streams of text – but language only captures a tiny fraction of our mental experience.
Earlier this year, Neuralink implanted a chip inside the brain of 29-year-old US man Noland Arbaugh, who is paralysed from the shoulders down. The chip has enabled Arbaugh to move a mouse pointer on a screen just by imagining it moving.
The brain and the mind As far as we know, conscious experience arises from the activity of the brain. This means any conscious mental state should have what philosophers and cognitive scientists call a “neural correlate”: a particular pattern of nerve cells firing in the brain. Rough matches To read a mind from brain activity, one must know precisely which brain states correspond to particular mental states. This means, for example, one needs to distinguish the brain states that correspond to seeing a red rose from the ones that correspond to smelling a red rose, or touching a red rose, or imagining a red rose, or thinking that red roses are your mother’s favourite.
Winnowing out those neural processes that are solely and specifically responsible for the conscious perception of a face is a herculean task, and one that current neuroscience is not close to solving.
Brain Scan Brain Science Consciousness Large Language Models Mind Mental State
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