Increased pfc activation during challenging walking using fNIRS

Link – Increased prefrontal cortical activation during challenging walking conditions in persons with lower limb amputation – an fNIRS observational study. Abstract Background: Lower limb amputation (LLA) alters the sensorimotor control systems. Despite the self-reports of increased attention during mobility, the interaction between mobility and cognitive control mechanisms is not fully understood.Objective: Concurrently evaluate walking […]

fNIRS technology for the development of BCI

Link – Detecting self-paced walking intention based on fNIRS technology for the development of BCI. Abstract Since more and more elderly people suffer from lower extremity movement problems, it is of great social significance to assist persons with motor dysfunction to walk independently again and reduce the burden on caregivers. The self-paced walking intention, which […]

fNIRS During Active Walking Tasks

Link – Effects of Processing Methods on fNIRS Signals Assessed During Active Walking Tasks in Older Adults. Abstract Functional near infrared spectroscopy (fNIRS) is a noninvasive optics-based neuroimaging modality successfully applied to real-life settings. The technology uses light in the near infrared range (650-950nm) to track changes in oxygenated (HbO2) and deoxygenated hemoglobin (Hb) obtained […]

Effect of fear of falling on pfc activation during walking

Link – The effect of fear of falling on prefrontal cortex activation and efficiency during walking in older adults. Geroscience. 2019 Feb 09;: Authors: Holtzer R, Kraut R, Izzetoglu M, Ye K Abstract Neural inefficiency is inferred when higher brain activations are associated with similar or worse performance. Improved neural efficiency is achieved when task-related […]

fNIRS analysis reveals prefrontal grey matter volume moderation

Link – Multi-modal neuroimaging of dual-task walking: Structural MRI and fNIRS analysis reveals prefrontal grey matter volume moderation of brain activation in older adults. Neuroimage. 2019 Jan 30;: Authors: Wagshul ME, Lucas M, Ye K, Izzetoglu M, Holtzer R Abstract It has been well established over the last two decades that walking is not merely […]

Treading on the unknown increases prefrontal activity

Link – Treading on the unknown increases prefrontal activity: A pilot fNIRS study. Gait Posture. 2019 Jan 21;69:96-100 Authors: Koren Y, Parmet Y, Bar-Haim S Abstract BACKGROUND: Complex walking conditions (e.g. dual tasking) have been associated with increased prefrontal (PFC) activity. However, most paradigms include a predictable environment, specifically, a predictable walking terrain. In the […]

Towards the Neuromotor Control Processes of Walking.

Link – Towards the Neuromotor Control Processes of Steady-State and Speed-Matched Treadmill and Overground Walking. Brain Topogr. 2019 Jan 24;: Authors: Herold F, Aye N, Hamacher D, Schega L Abstract The neuromotor control of walking relies on a network of subcortical and cortical structures. While kinematic differences between treadmill and overground walking are extensively studied, […]