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Non-Hermitian skin effects (NHSEs) have recently been extensively studied at the single-particle level. When many-body interactions become dominant, novel non-Hermitian phenomena can emerge. In this work, we propose an experimentally…

Quantum Gases · Physics 2025-07-14 Yang Li , Zhao-Fan Cai , Tao Liu , Franco Nori

Predicting the outcomes of robotic actions, often referred to as learning a world model, in complex environments remains a fundamental challenge in robotics. Existing approaches primarily rely on visual observations and action inputs to…

Robotics · Computer Science 2026-05-14 Willow Mandil , Amir Ghalamzan-E

Most tactile actuators create tactile sensations through vibrations or the mechanical and electrochemical formation of bumps. However, tactile sensations of real objects arise from friction which is derived not only from physical…

Soft Condensed Matter · Physics 2024-11-13 Abigail Nolin , Chun-Yuan Lo , Laure V. Kayser , Charles B. Dhong

Bimanual manipulation with tactile feedback will be key to human-level robot dexterity. However, this topic is less explored than single-arm settings, partly due to the availability of suitable hardware along with the complexity of…

Robotics · Computer Science 2023-07-14 Yijiong Lin , Alex Church , Max Yang , Haoran Li , John Lloyd , Dandan Zhang , Nathan F. Lepora

In this paper, our aim is to highlight Tactile Perceptual Aliasing as a problem when using deep neural networks and other discriminative models. Perceptual aliasing will arise wherever a physical variable extracted from tactile data is…

Robotics · Computer Science 2021-06-07 John Lloyd , Yijiong Lin , Nathan F. Lepora

Beyond a simple notification of incoming calls or messages, more complex information such as alphabets and digits can be delivered through spatiotemporal tactile patterns (STPs) on a wrist-worn tactile display (WTD) with multiple tactors.…

Human-Computer Interaction · Computer Science 2025-11-27 Taejun Kim , Youngbo Aram Shim , Geehyuk Lee

The reward model (RM), as the core component of reinforcement learning from human feedback (RLHF) for large language models (LLMs), responsible for providing reward signals to generated responses. However, the mainstream discriminative…

Computation and Language · Computer Science 2026-01-14 Jianxiang Zang

One of the fundamental requirements for an artificial hand to successfully grasp and manipulate an object is to be able to distinguish different objects' shapes and, more specifically, the objects' surface curvatures. In this study, we…

Medical Physics · Physics 2011-09-19 Saba Salehi , John-John Cabibihan , Shuzhi Sam Ge

Measurement of pressure distribution applied to a fingertip is crucial for the teleoperation of robots and human computer interface. Previous studies have acquired pressure distribution by affixing a sensor array to the fingertip or by…

Human-Computer Interaction · Computer Science 2025-05-15 Seitaro Kaneko , Hiroki Ishizuka , Hidenori Yoshimura , Hiroyuki Kajimoto

Friction modulation allows for a range of different sensations and textures to be simulated on flat touchscreens, yet is largely unable to render fundamental tactile interactions such as path following or shape discrimination due to lack of…

Human-Computer Interaction · Computer Science 2024-11-11 MacKenzie Harnett , Paras Kumar , Rebecca F. Friesen

Identifying and discovering drug-target interactions(DTIs) are vital steps in drug discovery and development. They play a crucial role in assisting scientists in finding new drugs and accelerating the drug development process. Recently,…

Quantitative Methods · Quantitative Biology 2023-11-15 Wenting Ye , Chen Li , Yang Xie , Wen Zhang , Hong-Yu Zhang , Bowen Wang , Debo Cheng , Zaiwen Feng

A large number of eukaryotic cells are able to directly detect external chemical gradients with great accuracy and the ultimate limit to their sensitivity has been a topic of debate for many years. Previous work has been done to understand…

Cell Behavior · Quantitative Biology 2015-05-20 Stuart A. Sevier , Herbert Levine

We routinely communicate distinct social and emotional sentiments through nuanced touch. For example, we might gently hold another's arm to offer a sense of calm, yet intensively hold another's arm to express excitement or anxiety. As this…

Human-Computer Interaction · Computer Science 2022-01-11 Shan Xu , Chang Xu , Sarah McIntyre , Håkan Olausson , Gregory J. Gerling

The ability of the organism to distinguish between various stimuli is limited by the structure and noise in the population code of its sensory neurons. Here we infer a distance measure on the stimulus space directly from the recorded…

Neurons and Cognition · Quantitative Biology 2013-06-14 Gašper Tkačik , Einat Granot-Atedgi , Ronen Segev , Elad Schneidman

Temperature is one of the most relevant parameters for the regulation of intracellular processes. Measuring localized subcellular temperature gradients is fundamental for a deeper understanding of cell function, such as the genesis of…

Neurons and Cognition · Quantitative Biology 2022-08-04 G. Petrini , G. Tomagra , E. Bernardi , E. Moreva , P. Traina , A. Marcantoni , F. Picollo , K. Kvakova , P. Cigler , I. P. Degiovanni , V. Carabelli , M. Genovese

This paper introduces the three-branch Dual Attention-Guided Compact Bilinear CNN (DACB-Net) by focusing on learning from disease-specific regions to enhance accuracy and alignment. A global branch compensates for lost discriminative…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Belal Ahmad , Mohd Usama , Tanvir Ahmad , Adnan Saeed , Shabnam Khatoon , Min Chen

Real-world contact-rich manipulation demands robots to perceive temporal tactile feedback, capture subtle surface deformations, and reason about object properties as well as force dynamics. Although optical tactile sensors are uniquely…

Robotics · Computer Science 2026-02-11 Ruoxuan Feng , Yuxuan Zhou , Siyu Mei , Dongzhan Zhou , Pengwei Wang , Shaowei Cui , Bin Fang , Guocai Yao , Di Hu

This paper proposes Tac2Motion, a contact-aware reinforcement learning framework to facilitate the learning of contact-rich in-hand manipulation tasks, such as removing a lid. To this end, we propose tactile sensing-based reward shaping and…

Robotics · Computer Science 2025-11-19 Yitaek Kim , Casper Hewson Rask , Christoffer Sloth

This exploratory pilot study investigates the impact of haptic perception --specifically tactile sensitivity (touch) and kinaesthetic intensity (movement)-- on learning, operationalized as information retention (immediate recall) through…

Human-Computer Interaction · Computer Science 2026-03-06 Bibeg Limbu , Irene-Angelica Chounta

Humans perceive the world using multi-modal sensory inputs such as vision, audition, and touch. In this work, we investigate the cross-modal connection between vision and touch. The main challenge in this cross-domain modeling task lies in…

Computer Vision and Pattern Recognition · Computer Science 2019-06-17 Yunzhu Li , Jun-Yan Zhu , Russ Tedrake , Antonio Torralba