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AI unlocks new understanding of human cognition through brain research
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AI unlocks new understanding of human cognition through brain research
by Robert Schreiber
Berlin, Germany (SPX) Sep 15, 2024

Researchers Dr. Patrick Krauss and Dr. Achim Schilling from the Cognitive Computational Neuroscience Group at Friedrich-Alexander-Universitat Erlangen-Nurnberg (FAU) have leveraged artificial intelligence (AI) to make significant advancements in understanding how the human brain functions. Their findings may reshape our comprehension of thought processes and emotions.

The human brain constantly anticipates future events, asking questions such as: What will I see next? How will my actions affect my environment? Known as predictive coding, this essential cognitive function is a key component in helping us navigate the world. The study by Krauss and Schilling not only reinforces this idea but also uncovers new insights into this fundamental brain activity.

Collaboration with Epilepsy Center at Uniklinikum Erlangen
In partnership with the Epilepsy Center at Uniklinikum Erlangen, led by Prof. Dr. med. Hajo Hamer, Krauss and Schilling utilized an advanced AI technique called auto-encoders. This method allowed them to detect patterns within the massive datasets of spontaneous brain activity - data that traditional methods would have struggled to analyze. Epilepsy patients undergoing treatment at the center, who have electrodes implanted in their brains, provided critical data that contributed to the study.

One of the study's key discoveries involved a phenomenon known as local field potential events (LFPs). These spontaneous brain signals, present even in the absence of external stimuli, were found to be crucial for processing information in the brain. This insight could pave the way for new directions in neuroscience research.

New possibilities for diagnosis and treatment
"In our study, we realized that our brains are constantly progressing through active states defined by these LFPs. It is as if our brains are constantly playing through various options for what might happen next even if we are not doing or perceiving anything in particular and not receiving any external stimuli at that moment in time," stresses Dr. Patrick Krauss.

Dr. Achim Schilling added, "We have also discovered that the form of these LFPs can determine the direction of information flux within the brain. This could give us important insights into how thoughts and feelings are processed in our minds."

The implications of these findings extend beyond theoretical research. The AI-based techniques used in this study could be applied in routine clinical settings, such as in EEG or MEG tests, to diagnose and treat neurological conditions.

"Knowledge of what our brains usually do while we are at rest can be put to good use for diagnostic purposes. If we can gain an ever better understanding of how our brains work and process information, that will allow us to develop more specific methods of diagnosis and treatment for neurological diseases," emphasizes Dr. Achim Schilling.

Technology and brain research: A two-way street
While AI was essential for uncovering these insights, the research may also contribute to advancements in AI itself. In the long run, the goal is to develop AI systems that can make continuous predictions even when no data is being processed, similar to how the human brain operates.

"This may be particularly useful in AI systems incorporated into vehicles, for example, especially when bearing safety in mind," explains Dr. Achim Schilling. Dr. Patrick Krauss continues, "Even if there is not much traffic and the car is only driving straight ahead on the highway, it would be beneficial for the AI to be considering in the background which traffic incidents could occur to which it may potentially have to react."

This research highlights the mutually beneficial relationship between AI and neuroscience, showing how both fields can enhance our understanding of complex systems like the brain. As interdisciplinary approaches continue to evolve, the insights from Krauss and Schilling's work could lead to innovative diagnostic methods and therapies.

Research Report:Deep learning based decoding of single local field potential events

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Friedrich-Alexander-Universitat Erlangen-Nurnberg
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