Non‐invasive monitoring of cardiac contractility: Trans‐radial electrical bioimpedance velocimetry (TREV)

…, V Babenko, E Rizor, T Bullock, A Macy… - …, 2024 - Wiley Online Library
We describe methods and software resources for a bioimpedance measurement technique, ‘trans‐radial
electrical bioimpedance velocimetry’ (TREV) that allows for the non‐invasive …

Simultaneous acquisition of functional magnetic resonance images and impedance cardiography

M Cieslak, WS Ryan, A Macy, RM Kelsey… - …, 2015 - Wiley Online Library
While simultaneous acquisition of electrocardiography ( ECG ) data during MRI is a widely
used clinical technique, the effects of the MRI environment on impedance cardiography ( ICG …

Growth-related changes in the receptive field properties of retinal ganglion cells in goldfish

A Macy - Vision Research, 1981 - Elsevier
Intraocular recordings were made from retinal ganglion cells of small (<40 mm) and large (>
140 mm) intact, submerged goldfish while stimuli were presented on a tangent screen. Very …

Physiological signal processing laboratory for biomedical engineering education

S Carmel, AJ Macy - 2005 IEEE Engineering in Medicine and …, 2006 - ieeexplore.ieee.org
The proposed Physiological Signal Processing Laboratory incorporates important new
concepts to further its utility as a vehicle for biomedical engineering educational use. The …

Local control of retinomotor activity in the fish retina

SS Easter Jr, A Macy - Vision Research, 1978 - Elsevier
Small circular spots of light were focussed on otherwise unilluminated retinas of paralyzed
fish.Cichlasoma biocellatum. The retinas were subsequently examined histologically, and a …

An accelerometer based heart monitor to measure changes of the autonomic nervous system

V Babenko, NM Dundon, A Macy, A Stump, M Turbow… - BioRxiv, 2022 - biorxiv.org
The electrocardiogram (ECG) and impedance cardiography (ICG) are typically combined to
estimate electromechanical features such as the pre-ejection period (PEP) and left …

Growth-related changes in the size of receptive field centers of retinal ganglion cells in goldfish

A Macy, SS Easter Jr - Vision Research, 1981 - Elsevier
Intraocular recordings were made from the retinal ganglion cells of small (< 40 mm) and
large (> 140 mm) intact paralyzed, submerged goldfish to determine how the size of their …

Trans-Radial Electrical Bioimpedance Velocimetry: A Novel Method for Detecting Cardiac Contractility

AI Stump, NM Dundon, V Babenko, A Macy, ST Grafton - bioRxiv, 2022 - biorxiv.org
Increasing insight into the complex human response to external states can be captured by
measuring event-related cardiac sympathetic activity. However existing assays are either …

Inquiry-based biomedical signal processing laboratory: from practice to simulation

AJ Macy - Proceedings of the 25th Annual International …, 2003 - ieeexplore.ieee.org
The proposed biomedical signal processing laboratory incorporates several components
that enhance its usefulness for inquiry-based learning. The laboratory orients around the …

[BOOK][B] Growth-related Changes in the Receptive Fields of Retinal Ganglion Cells in the Goldfish

AE Macy - 1980 - search.proquest.com
As the standard length of the goldfish increases from 40 mm to 140 mm, the diameter of its
eye increases by about 2.5 X. The retinal magnification factor, defined as the number of …