brain rhythms lab
@haegenslab.bsky.social
we study oscillatory brain dynamics
@columbiauniversity.bsky.social
PI: saskia haegens
@columbiauniversity.bsky.social
PI: saskia haegens
New preprint out! In this opinion paper, we review our recent work showing that frontal beta frequency shifts signal categorical decisions. We propose that the observed frequency modulations emerge from the recruitment of distinct neural ensembles when different (categorical) decisions are made.
Beta frequency shifts in decision making: Spectral fingerprints or communication channels?
Recent evidence suggests that beta-band activity plays a key role in decision-making. Here we review our recent work in humans and non-human primates showing that beta-band frequency shifts in frontal...
arxiv.org
November 6, 2025 at 6:08 PM
New preprint out! In this opinion paper, we review our recent work showing that frontal beta frequency shifts signal categorical decisions. We propose that the observed frequency modulations emerge from the recruitment of distinct neural ensembles when different (categorical) decisions are made.
Another paper out! New research from our lab explores how beta-band activity signals decisions. We show that subtle shifts in beta-band *frequency* signal categorical decision outcomes — a neural signature that generalizes across tasks and species.
➡️ www.cell.com/iscience/ful...
➡️ www.cell.com/iscience/ful...
Beta-band frequency shifts signal decisions in human prefrontal cortex
Beta-band synchronization has been found to be content-specific, particularly during
decision-making. Recently, we showed a beta-band frequency shift in macaque prefrontal
cortex to reflect categorica...
www.cell.com
October 27, 2025 at 4:47 PM
Another paper out! New research from our lab explores how beta-band activity signals decisions. We show that subtle shifts in beta-band *frequency* signal categorical decision outcomes — a neural signature that generalizes across tasks and species.
➡️ www.cell.com/iscience/ful...
➡️ www.cell.com/iscience/ful...
Reposted by brain rhythms lab
Fluctuations in #AlphaOscillations influence whether we perceive faint stimuli, but how? @joeyzhou.bsky.social @haegenslab.bsky.social &co show that alpha associated with the #visual system modulate sensitivity, while #sensorimotor alpha affects decision criteria @plosbiology.org 🧪 plos.io/4ho3ecR
October 27, 2025 at 8:55 AM
Fluctuations in #AlphaOscillations influence whether we perceive faint stimuli, but how? @joeyzhou.bsky.social @haegenslab.bsky.social &co show that alpha associated with the #visual system modulate sensitivity, while #sensorimotor alpha affects decision criteria @plosbiology.org 🧪 plos.io/4ho3ecR
Check out our latest work led by @joeyzhou.bsky.social on alpha oscillatory networks in PLOS Biology!
➡️ journals.plos.org/plosbiology/...
Do ongoing alpha activity fluctuations influence perceptual sensitivity or criterion?
➡️ journals.plos.org/plosbiology/...
Do ongoing alpha activity fluctuations influence perceptual sensitivity or criterion?
Distinct alpha networks modulate different aspects of perceptual decision-making
Fluctuations in alpha-band neural oscillations influence whether we perceive faint stimuli, but how these oscillations relate to different perceptual processes is not clear. This study shows that alph...
journals.plos.org
October 23, 2025 at 7:27 PM
Check out our latest work led by @joeyzhou.bsky.social on alpha oscillatory networks in PLOS Biology!
➡️ journals.plos.org/plosbiology/...
Do ongoing alpha activity fluctuations influence perceptual sensitivity or criterion?
➡️ journals.plos.org/plosbiology/...
Do ongoing alpha activity fluctuations influence perceptual sensitivity or criterion?
Reposted by brain rhythms lab
we are recruiting! looking for a postdoc with great electrophys and data analysis skills for a project in collaboration with @jonescompneurolab.bsky.social and @dralexharris.bsky.social to study the role of beta frequency shifts in decision-making.
March 13, 2025 at 7:56 PM
we are recruiting! looking for a postdoc with great electrophys and data analysis skills for a project in collaboration with @jonescompneurolab.bsky.social and @dralexharris.bsky.social to study the role of beta frequency shifts in decision-making.
Low alpha power boosts faint stimulus detection—but how? 🤔 After much head-scratching, we took a network approach and found that different alpha networks play distinct roles: the visual alpha network tunes perceptual sensitivity, while the sensorimotor alpha network shapes decision criteria. 🧠✨
Distinct Alpha Networks Modulate Different Aspects of Perceptual Decision-Making
Why do we sometimes perceive a faint stimulus but miss it at other times? One explanation is that conscious perception fluctuates with the brains internal state, influencing how external stimuli are p...
www.biorxiv.org
March 16, 2025 at 4:34 PM
Low alpha power boosts faint stimulus detection—but how? 🤔 After much head-scratching, we took a network approach and found that different alpha networks play distinct roles: the visual alpha network tunes perceptual sensitivity, while the sensorimotor alpha network shapes decision criteria. 🧠✨
we are recruiting! looking for a postdoc with great electrophys and data analysis skills for a project in collaboration with @jonescompneurolab.bsky.social and @dralexharris.bsky.social to study the role of beta frequency shifts in decision-making.
March 13, 2025 at 7:56 PM
we are recruiting! looking for a postdoc with great electrophys and data analysis skills for a project in collaboration with @jonescompneurolab.bsky.social and @dralexharris.bsky.social to study the role of beta frequency shifts in decision-making.
New paper out! peerj.com/articles/184...
We asked whether neural mechanisms for time estimation are similar in monkeys and humans. We compared ERPs during a temporal bisection task, in which participants had to determine whether the duration of a time interval was longer or shorter than a prototype.
We asked whether neural mechanisms for time estimation are similar in monkeys and humans. We compared ERPs during a temporal bisection task, in which participants had to determine whether the duration of a time interval was longer or shorter than a prototype.
Common neural mechanisms supporting time judgements in humans and monkeys
There has been an increasing interest in identifying the biological underpinnings of human time perception, for which purpose research in non-human primates (NHP) is common. Although previous work, ba...
peerj.com
November 30, 2024 at 6:35 PM
New paper out! peerj.com/articles/184...
We asked whether neural mechanisms for time estimation are similar in monkeys and humans. We compared ERPs during a temporal bisection task, in which participants had to determine whether the duration of a time interval was longer or shorter than a prototype.
We asked whether neural mechanisms for time estimation are similar in monkeys and humans. We compared ERPs during a temporal bisection task, in which participants had to determine whether the duration of a time interval was longer or shorter than a prototype.