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Topic: information retrieval

Seminar
1 seminar
ePoster
1 ePoster

In Computational Neuroscience and Neuroscience

Seminar · Computational Neuroscience

Memory formation in hippocampal microcircuit

Andreakos Nikolaos · Visiting Scientist, School of Computer Science, University of Lincoln, Scientific Associate, National and Kapodistrian University of Athens

Fri, Feb 7, 2025 · 13:00 UTC

The centre of memory is the medial temporal lobe (MTL) and especially the hippocampus. In our research, a more flexible brain-inspired computational microcircuit of the CA1 region of the mammalian hippocampus was upgraded and used to examine how information retrieval could be affected under different conditions. Six models (1-6) were created by modulating different excitatory and inhibitory pathways. The results showed that the increase in the strength of the feedforward excitation was the most effective way to recall memories. In other words, that allows the system to access stored memories m

ePoster · Computational Neuroscience

EEG2Mel: Reconstructing Sound From Brain Responses to Music

Adolfo He/Hims · Neuromatch 5

Wed, Sep 28, 2022

Information retrieval from brain responses to auditory and visual stimuli has shown success through classification of song names and image classes presented to participants while recording EEG signals. Information retrieval in the form of reconstructing auditory stimuli has also shown some success, but here we improve on previous methods by reconstructing music stimuli well enough to be perceived and identified independently. Furthermore, deep learning models were trained on time-aligned music stimuli spectrum for each corresponding one-second window of EEG recording, which greatly reduces fea