Coraline Rinn Iordan
@coralineiordan.bsky.social
1.3K followers 430 following 35 posts
Assistant Professor @ University of Rochester ◆ narratives, episodic memory, naturalistic cognition, neurofeedback ◆ natcoglab.org ◆ mom ◆ moon elf warlock ◆ 🌈 she/her
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coralineiordan.bsky.social
New paper story time (now out in PNAS)! We developed a method that caused people to learn new categories of visual objects, not by teaching them what the categories were, but by changing how their brains worked when they looked at individual objects in those categories.

www.pnas.org/doi/10.1073/...
Sculpting new visual categories into the human brain | PNAS
Learning requires changing the brain. This typically occurs through experience, study, or instruction. We report an alternate route for humans to a...
www.pnas.org
Reposted by Coraline Rinn Iordan
samnastase.bsky.social
I'm recruiting PhD students to join my new lab in Fall 2026! The Shared Minds Lab at @usc.edu will combine deep learning and ecological human neuroscience to better understand how we communicate our thoughts from one brain to another.
Reposted by Coraline Rinn Iordan
mariamaly.bsky.social
Excited to release the SPOT grid: a new image set that factorially crosses scene-object & texture-pattern pairings.

We hope these stimuli will be useful to researchers aiming to (partially) disentangle the contributions of lower- and higher-level visual features to behavior & brain activity.

1/
8x8 grid depicting the approach to stimulus creation. Feature pairs are on the axes and images are in the cells. The x-axis represents the high-level feature pairs: setting (green) and object (teal). For example, the first column of images all depict “truck” (object) in “field” (setting) rendered in various textures and patterns. The y-axis represents low-level feature pairs: texture (blue) and pattern (purple). For example, the first row of images all depict different objects and settings rendered as if drawn with crayon (texture) and containing large horizontal edges (pattern).
Reposted by Coraline Rinn Iordan
adibuoy23.bsky.social
1/ 🚨 Preprint alert!
How does the brain make sense of continuous experience?
We find that continuous experiences can be compressed using a subset of key moments that dominate comprehension and recall.
👉 https://doi.org/10.1101/2025.08.30.673233
Reposted by Coraline Rinn Iordan
mariamaly.bsky.social
How do the brain’s event representations change as we gain familiarity with an experience?

Brain regions’ representations can become coarser or finer as event familiarity increases. Fine-tuning predicts memory recall.

Excited to share this work with Narjes Al-Zahli & @chrisbaldassano.bsky.social!
Repeated Viewing of a Narrative Movie Changes Event Timescales in The Brain
Many experiences occur repeatedly throughout our lives: we might watch the same movie more than once and listen to the same song on repeat. How does the brain modify its representations of events when...
www.biorxiv.org
Reposted by Coraline Rinn Iordan
johnsakon.bsky.social
Excited to present our new work reading minds!

Ok, not *that* kind of mind reading, but we have created a deep learning method capable of using single neuron recordings from people watching episodes of TV that can predict when they recall specific memories from the episode. 1/6
Reposted by Coraline Rinn Iordan
qingzhirubyzeng.bsky.social
/1 New preprint alert! 💫“Expertise Shapes the Multidimensional Perception of Stories”! 💫 We generated a novel corpus of improvised spoken stories using diverse prompts designed to elicit creative and complex narrative structure.
doi.org/10.31234/osf...
OSF
doi.org
Reposted by Coraline Rinn Iordan
Reposted by Coraline Rinn Iordan
peterkok.bsky.social
Our study using layer fMRI to study the direction of communication between the hippocampus and cortex during perceptual predictions is finally out in Science Advances! Predicted-but-omitted shapes are represented in CA2/3 and correlate specifically with deep layers of PHC, suggesting feedback. 🧠🟦
Communication of perceptual predictions from the hippocampus to the deep layers of the parahippocampal cortex
High-resolution neuroimaging reveals stimulus-specific predictions sent from hippocampus to the neocortex during perception.
www.science.org
Reposted by Coraline Rinn Iordan
bulezz.bsky.social
Excited to share my first fMRI paper in @pnas.org We found that suppressing the encoding of one event can strengthen the neural representation of the next in CA1, and bias retrieval-related neural restatement away from suppressed information. www.pnas.org/doi/10.1073/...
Maintenance suppression enhances subsequent associative learning | PNAS
Removing irrelevant information from working memory (WM) can free cognitive resources and reduce interference with current task goals. Beyond these...
www.pnas.org
Reposted by Coraline Rinn Iordan
mariamaly.bsky.social
Successful prediction of the future enhances encoding of the present.

I am so delighted that this work found a wonderful home at Open Mind. The peer review journey was a rollercoaster but it *greatly* improved the paper.

direct.mit.edu/opmi/article...
Reposted by Coraline Rinn Iordan
alexanderhuth.bsky.social
New paper with @mujianing.bsky.social & @prestonlab.bsky.social! We propose a simple model for human memory of narratives: we uniformly sample incoming information at a constant rate. This explains behavioral data much better than variable-rate sampling triggered by event segmentation or surprisal.
biorxiv-neursci.bsky.social
Efficient uniform sampling explains non-uniform memory of narrative stories https://www.biorxiv.org/content/10.1101/2025.07.31.667952v1
Reposted by Coraline Rinn Iordan
samnastase.bsky.social
Check out Zaid's open "Podcast" ECoG dataset for natural language comprehension (w/ Hasson Lab). The paper is now out at Scientific Data (nature.com/articles/s41...) and the data are available on OpenNeuro (openneuro.org/datasets/ds0...).
Reposted by Coraline Rinn Iordan
jayneuro.bsky.social
Music is an incredibly powerful retrieval cue. What is the neural basis of music-evoked memory reactivation? And how does this reactivation relate to later memory for the retrieved events? In our new study, we used Eternal Sunshine of the Spotless Mind to find out. www.biorxiv.org/content/10.1...
Music-evoked reactivation during continuous perception is associated with enhanced subsequent recall of naturalistic events
Music is a potent cue for recalling personal experiences, yet the neural basis of music-evoked memory remains elusive. We address this question by using the full-length film Eternal Sunshine of the Spotless Mind to examine how repeated musical themes reactivate previously encoded events in cortex and shape next-day recall. Participants in an fMRI study viewed either the original film (with repeated musical themes) or a no-music version. By comparing neural activity patterns between these groups, we found that music-evoked reactivation of neural patterns linked to earlier scenes in the default mode network was associated with improved subsequent recall. This relationship was specific to the music condition and persisted when we controlled for a proxy measure of initial encoding strength (spatial intersubject correlation), suggesting that music-evoked reactivation may play a role in making event memories stick that is distinct from what happens at initial encoding. ### Competing Interest Statement The authors have declared no competing interest. National Institutes of Health, https://ror.org/01cwqze88, F99 NS118740, R01 MH112357
www.biorxiv.org
Reposted by Coraline Rinn Iordan
martamasilva.bsky.social
🧠 Paper out!

We investigated how hippocampal and cortical ripples support memory during movie watching. We found that:

🎬 Hippocampal ripples mark event boundaries
🧩 Cortical ripples predict later recall

Ripples may help transform real-life experiences into lasting memories!

rdcu.be/eui9l
Movie-watching evokes ripple-like activity within events and at event boundaries
Nature Communications - The neural processes involved in memory formation for realistic experiences remain poorly understood. Here, the authors found that ripple-like activity in the human...
rdcu.be
Reposted by Coraline Rinn Iordan
beneuroscience.bsky.social
Our new paper out now in Science explores how neural activity in the lateral entorhinal cortex (LEC) *drifts* over time - and *jumps* at key boundaries - to help organize events in memory.

🔗 www.science.org/doi/10.1126/...

Here's a quick summary of what we found 🧵👇
Reposted by Coraline Rinn Iordan
nadinedijkstra.bsky.social
I am so excited to share that our paper 'A neural basis for distinguishing imagination from reality' is now published in @cp-neuron.bsky.social! 🧠✨ See thread below! doi.org/10.1016/j.ne...
Reposted by Coraline Rinn Iordan
davidclewett.bsky.social
New from our lab: your brain doesn’t just remember time - it bends it.

We show that the dopamine system responds to natural breakpoints in experience, and this relates to more stretched memories of time. Blinking also increases, signaling encoding of new memories.

www.biorxiv.org/content/10.1...
Dopaminergic processes predict temporal distortions in event memory
Our memories do not simply keep time - they warp it, bending the past to fit the structure of our experiences. For example, people tend to remember items as occurring farther apart in time if they spa...
www.biorxiv.org
Reposted by Coraline Rinn Iordan
lindedomingo.bsky.social
New paper out! 🎉 “Evolving Engrams Demand Changes in Effective Cues” (Hippocampus). In this opinion piece, we discuss how retrieval processes can be enhanced and offer an alternative to one of the field’s few enduring principles: encoding specificity. onlinelibrary.wiley.com/doi/10.1002/...
Evolving Engrams Demand Changes in Effective Cues
A longstanding principle in episodic memory research, known as the encoding specificity hypothesis, holds that an effective retrieval cue should closely match the original encoding conditions. This p...
onlinelibrary.wiley.com
Reposted by Coraline Rinn Iordan
ckerren.bsky.social
🧠✨How do we rebuild our memories? In our new study, we show that hippocampal ripples kickstart a coordinated expansion of cortical activity that helps reconstruct past experiences.

We recorded iEEG from patients during memory retrieval... and found something really cool 👇(thread)
Reposted by Coraline Rinn Iordan
coralineiordan.bsky.social
Congrats on getting this work out into the world, Erica! This is a truly amazing study!