Jan Zimmermann

This paper presents high-resolution diffusion MRI techniques for in vivo and ex vivo macaque brain imaging at 10.5 Tesla, enabling detailed connectivity studies.

This paper develops a scalable PS-OCT system for whole-brain imaging in rhesus macaques, achieving high-resolution volumetric data with multi-terabyte datasets.

The paper develops an RF coil array system for high-resolution in vivo and ex vivo non-human primate brain imaging at 10.5 Tesla, achieving improved spatial resolution and imaging capabilities.

The paper shows that structural connectivity in the human visual cortex preserves retinotopic organization, revealing a retinotopic wiring principle and systematic perceptual asymmetries in early visual cortex connectivity.

This paper evaluates the diffusion-weighted steady-state free precession (DW-SSFP) sequence for ex vivo macaque brain imaging at 10.5T, showing improved SNR efficiency and geometric distortion reduction.

This study tracks neural and behavioral changes in macaques during chronic cocaine use, recovery, and re-exposure, revealing convergent and divergent effects across subjects.

The paper compares microstructure and fiber orientation measurements from polarization-sensitive OCT and ultra-high-field dMRI in macaque brains and demonstrates a GAN for improving MRI resolution using OCT data.

This study shows navigational variables are widely encoded in prefrontal cortex of macaques during foraging, challenging the idea that such encoding is limited to the hippocampal complex.

This study shows that alternating current stimulation induces phase precession and synaptic plasticity in humans and non-human primates, providing causal evidence for its role in neuroplasticity.

This study shows that neural timescales hierarchy changes with behavioral demands in freely moving rhesus macaques, with task engagement affecting timescale magnitudes across brain areas.

This study evaluates how anatomical details affect electric fields in transcranial stimulation simulations using a non-human primate model.

The paper reveals that motor cortex contains inter-effector regions connected to the Cingulo-opercular network, alternating with effector-specific areas, suggesting a dual system for motor control and whole-body coordination.

The paper analyzes neural activity in macaques during a foraging task to show how prefrontal regions represent and control actions in a modular and hierarchical manner.

The paper investigates intrinsic timescales of neural processing across the whole rhesus macaque brain using fMRI and electrophysiology, finding consistency between timescales and hierarchical temporal dynamics.

The paper examines neural coding for value in six brain regions and finds no explicit value neurons, but shows value is encoded implicitly through orthogonal yet linked population subspaces.

This study examines how neurons in reward regions of macaques encode safe and risky offers during a gambling task, finding distinct response subspaces for each type of offer.

OpenMonkeyStudio provides a deep learning-based system for markerless 3D pose estimation in freely moving macaques, enabling automatic tracking and action recognition in unconstrained environments.

This paper demonstrates ultra-high field (10.5 T) resting state fMRI in macaques, revealing detailed and robust resting state components similar to human connectomes.

The paper examines hierarchical organization in medial prefrontal cortex regions during risky choices in macaques, finding increased decodability and longer timescales along a specific pathway.