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Predictive Coding

All articles tagged with #predictive coding

science14 days ago•7 min saved

Brain Still Processes Language Under Anesthesia, New Study Finds

Researchers report that the hippocampus continues to process language and even predict upcoming words during general anesthesia, suggesting learning and predictive coding can occur without conscious awareness. Using Neuropixels probes during epilepsy surgeries, they observed language processing and differentiation of parts of speech in real time, though the findings apply to a single anesthesia type and brain region. The work challenges traditional views of consciousness and could inform AI comparisons and future speech prosthetics, while highlighting the need for broader studies.

via SciTechDaily|

#anesthesia #consciousness #hippocampus

science1 month ago•8 min saved

Group Songmaking Rewrites Predictive Brain Signals in Psychosis

A six-week Yale study found that weekly two-hour group songwriting helped some people with psychosis reduce paranoia and shift language from I to we, suggesting music-making can help re-tune the brain’s predictive coding and reconnect with reality without the side effects of medication. Benefits were stronger in those with milder symptoms; hallucinations didn’t disappear for everyone, but social engagement and creativity improved. Researchers see potential for lasting brain changes and view music therapy as a complementary treatment, not a replacement for antipsychotics.

via Neuroscience News|

#group-therapy #language-analysis #music-therapy

science1 month ago•9 min saved

Action-First Perception: The Brain Predicts Before It Sees

A new review argues that categorization is not a neutral perceptual step but an action-oriented, predictive function: the brain prepares motor plans before fully perceiving a stimulus, compressing input into abstract categories via feedback-dominated networks and beta/gamma rhythms, with implications for understanding mental health conditions like depression and autism.

via Neuroscience News|

#brain #cognition #neuroscience

science4 months ago•5 min saved

Hippocampus Rewires Memories to Predict Future Rewards

A preclinical study shows the hippocampus actively reorganizes memories to forecast rewards, with hippocampal neurons shifting their activity from the moment of reward to earlier task features as mice learn. Using long-term calcium imaging, researchers tracked cells over weeks, revealing a predictive, backward-shifting signal that refines the brain’s internal model of outcomes and offering a new lens on learning—and why decision-making falters early in Alzheimer's disease.

via Neuroscience News|

#alzheimers-disease #calcium-imaging #hippocampus

neuroscience2 years ago•3 min saved

"Brain Waves Shape Our Perception of Speech"

A study by the Max Planck Institute reveals that brain wave timing influences how we perceive speech, with more probable sounds and words being recognized during less excitable brain wave phases. This finding supports the role of neural timing in language comprehension and has significant implications for predictive coding theories in speech perception.

via Neuroscience News|

#brain-waves #meg #neural-timing

neuroscience2 years ago•5 min saved

"Interconnected Senses: The Influence of Predictive Coding on Our Sense of Smell"

A study from Stockholm University suggests that our sense of smell relies more on predictive coding than vision, challenging the notion of smell as a primitive sense. Through behavioral studies and fMRI brain imaging, the research demonstrates that smell is sophisticated and proactive, reacting to unexpected stimuli by engaging olfactory and visual brain regions. This unique sensory processing strategy underscores the importance of predictions and cues from other senses in accurately identifying odors, highlighting the advanced capabilities of the human sense of smell.

via Neuroscience News|

#multisensory-processing #neuroscience #olfactory-perception