scispace - formally typeset
H

Heidrun Wabnitz

Researcher at German National Metrology Institute

Publications -  144
Citations -  4547

Heidrun Wabnitz is an academic researcher from German National Metrology Institute. The author has contributed to research in topics: Diffuse optical imaging & Photon counting. The author has an hindex of 33, co-authored 140 publications receiving 4016 citations.

Papers
More filters
Journal ArticleDOI

The physiological origin of task-evoked systemic artefacts in functional near infrared spectroscopy

TL;DR: It is found that skin blood volume strongly depends on the cognitive state and that sources of task-evoked systemic signals in fNIRS are co-localized with veins draining the scalp, and it is concluded that the physiological origin of the systemic artefact is a task- Evoked sympathetic arterial vasoconstriction followed by a decrease in venous volume.
Journal ArticleDOI

Time-resolved multidistance near-infrared spectroscopy of the adult head: intracerebral and extracerebral absorption changes from moments of distribution of times of flight of photons

TL;DR: Multidistance time-resolved diffuse reflectance spectroscopy of the head of a healthy adult after intravenous administration of a bolus of indocyanine green is reported on.
Journal ArticleDOI

Determining changes in NIR absorption using a layered model of the human head.

TL;DR: A theoretical approach is presented to determine absorption changes in different compartments of a layered structure from distributions of times of flight of photons, and a single-distance, time-domain method is applied to in vivo measurements on the human head.
Journal ArticleDOI

Time-domain optical mammography: initial clinical results on detection and characterization of breast tumors

TL;DR: Effective tumor optical properties derived from a homogeneous model were used to deduce physiological information and all tumors exhibited increased total hemoglobin concentration and decreased or unchanged blood oxygen saturation compared with surrounding healthy tissue.