Alpha oscillations support the efficiency of guided visual search by inhibiting both target and distractor features in early visual cortex https://www.biorxiv.org/content/10.1101/2023.08.03.551520v1 "selective attention through inhibition"; #neuroscience #V1

#Multimodal deep learning model unveils behavioral dynamics of #V1 activity in freely moving mice https://www.biorxiv.org/content/10.1101/2023.05.30.542912v1 Might plead for supplemental gesturing of soundscape content during visual mental imagery in visual-to-auditory sensory substitution.

More information in the Twitter thread https://twitter.com/ProfBeyeler/status/1672065673936400384

#multisensory #neuroscience

Perceptual expectations and false percepts generate stimulus-specific activity in distinct layers of the early #visual #cortex https://www.biorxiv.org/content/10.1101/2022.04.13.488155v2 #7T layer-specific #fMRI of #V1 and #V2. #neuroscience

"results reveal a feedforward mechanism underlying false percepts, reflected by spontaneous stimulus-like activity in the input layers of the visual cortex, independent of top-down perceptual expectations."

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https://youtu.be/R3uyvBC-3jE
#LEON #V1

Let's accept imperfecy. #V1

One in four people fail to perceive phosphenes during early visual cortex transcranial magnetic stimulation https://www.brainstimjrnl.com/article/S1935-861X(22)00260-1/fulltext #phosphenes #V1 #TMS