Marvin Maechler, PhD
@maechlermarvin.bsky.social
70 followers 130 following 7 posts
Postdoc at Penn, computational models of perception and decision making, illusions, cognitive biases, he/his/him
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maechlermarvin.bsky.social
What platform can we use to play this with you guys?
Reposted by Marvin Maechler, PhD
sfnjournals.bsky.social
#JNeurosci: A functional MRI study from <a href="https://bsky.app/profile/did:plc:ztzcqpfb6ll52ygn2jymypmh" class="hover:underline text-blue-600 dark:text-sky-400" target="_blank" rel="noopener">@maechlermarvin.bsky.social‬ et al. identify brain regions that might be the source of hemifield-specific capacity limits in attentional tracking of multiple moving objects.
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maechlermarvin.bsky.social
I have to thank a lot of people for their help with this, but for this post I will limit myself to my dissertation committee: @violastoermer.bsky.social @rolfslab.bsky.social @carolinerobertson.bsky.social and Peter Tse, who were incredibly supportive and provided guidance throughout this process.
maechlermarvin.bsky.social
Our research challenges previous explanations of hemispatial neglect and enhances our understanding of how the brain manages spatial attention and mental effort. Additionally, we identify regions that might be the source of hemifield-specific capacity limits in attentional tracking.
maechlermarvin.bsky.social
We show that the load-dependent responses differ between earlier visual areas, which prefer targets on the contralateral side, and later areas that respond to targets anywhere in the visual field.
maechlermarvin.bsky.social
Our findings reveal brain areas where effort-driven increases in activity are dependent on the visual hemifield where targets are tracked.
maechlermarvin.bsky.social
We investigated how attentional effort impacts brain activity. Effort (the number of targets in a multiple-object tracking task) parametrically drives activity in the attention system.