Results 51 to 60 of about 361,415 (340)

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

Realization of Low-Voltage Modified CBTA and Design of Cascadable Current-Mode All-Pass Filter [PDF]

open access: yes, 2014
In this paper, a low voltage modified current backward transconductance amplifier (MCBTA) and a novel first-order current-mode (CM) all-pass filter are presented.
Ayten, U. E., Minaei, S., Sagbas, M.
core   +1 more source

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao   +6 more
wiley   +1 more source

A HIGH-SPEED CMOS CURRENT COMPARATOR SUITABLE FOR ALGORITHMIC ANALOG-TO-DIGITAL CONVERTERS

open access: yesElectrica, 2008
This paper introduces a high-speed high resolution CMOS current comparator which is used in an algorithmic Analog-to-Digital Converter (ADC) and implemented with a 0.6 μm standard CMOS process. Circuit occupies 170 x 80μm2.
Tolga KAYA, Ali ZEKI
doaj   +2 more sources

Programmable Current-Mode Universal Active Filters Employing Current Conveyors

open access: yesActive and Passive Electronic Components, 1998
Novel current-mode active filter circuits using current-conveyors are presented. The proposed circuits can realize all standard second-order filter functions.
Muhammad Taher Abuelma'atti
doaj   +1 more source

Electronic Tuning Square-Wave Generators with Improved Linearity Using Operational Transresistance Amplifier

open access: yesJournal of Low Power Electronics and Applications, 2020
Two new electronic tuning current-mode square-wave generators are introduced in the ensuing paper. In the first proposed square-wave generator circuit, one Operational Trans-resistance Amplifier (OTRA) and two passive components are involved, along with ...
Pittala Chandra Shaker   +1 more
doaj   +1 more source

Charge trap layer enabled positive tunable V$_{fb}$ in $\beta$-Ga$_{2}$O$_{3}$ gate stacks for enhancement mode transistors

open access: yes, 2020
$\beta$-Ga$_{2}$O$_{3}$ based enhancement mode transistor designs are critical for the realization of low loss, high efficiency next generation power devices with rudimentary driving circuits.
Biswas, Dipankar   +4 more
core   +1 more source

Comparing the Effect of Semi‐Immersive Virtual Reality, Computerized Cognitive Training, and Traditional Rehabilitation on Cognitive Function in Multiple Sclerosis: A Randomized Clinical Trial

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Cognitive impairment is a common non‐motor symptom in Multiple Sclerosis (MS), negatively affecting autonomy and Quality of Life (QoL). Innovative rehabilitation strategies, such as semi‐immersive virtual reality (VR) and computerized cognitive training (CCT), may offer advantages over traditional cognitive rehabilitation (TCR ...
Maria Grazia Maggio   +8 more
wiley   +1 more source

Voltage-Mode Multifunction Biquadratic Filters Using New Ultra-Low-Power Differential Difference Current Conveyors [PDF]

open access: yes, 2013
This paper presents two low-power voltage-mode multifunction biquadratic filters using differential difference current conveyors. Each proposed circuit employs three differential difference current conveyors, two grounded capacitors and two grounded ...
Dejhan, K.   +4 more
core   +1 more source

A Modular Programmable CMOS Analog Fuzzy Controller Chip [PDF]

open access: yes, 1999
We present a highly modular fuzzy inference analog CMOS chip architecture with on-chip digital programmability. This chip consists of the interconnection of parameterized instances of two different kind of blocks, namely label blocks and rule blocks. The
Delgado Restituto, Manuel   +3 more
core   +5 more sources

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