Reaction Time

391.

Contralateral coding of imagined body parts in the superior parietal lobe.

In monkeys, neurons in the superior parietal lobe (area 5) code for spatial position of contralateral body parts by combining visual and somatosensory signals. Using a modified version of the classical mental rotation task, we were able to demonstrate ...
T Wolbers, C Weiller, C Büchel (Cereb Cortex, 200304)
contralateral-coding-imagined-body-parts-superior-parietal-lobe.asp

392.

Effect of treatment status on prepulse inhibition of acoustic startle in schizophrenia.

RATIONALE: The acoustic startle response is inhibited when the startling stimulus is preceded by a weaker non-startling acoustic stimulus. This phenomenon, termed prepulse inhibition of acoustic startle (PPI), is impaired in schizophrenics compared to ...
Erica J Duncan, Sandor Szilagyi, Toby R Efferen, Marion P Schwartz, Arti Parwani, Subhajit Chakravorty, Steven H Madonick, Alena Kunzova, James W Harmon, Burt Angrist, Stephen Gonzenbach, John P Rotrosen (Psychopharmacology (Berl), 200304)
effect-treatment-status-prepulse-inhibition-acoustic-startle.asp

393.

Independent component model for cognitive functions of multiple subjects using [15O]H2O PET images.

An independent component model of multiple subjects positron emission tomography (PET) images is proposed to explore the overall functional components involved in a task and to explain subject specific variations of metabolic activities under altered ...
Hae-Jeong Park, Jae-Jin Kim, Tak Youn, Dong Soo Lee, Myung Chul Lee, Jun Soo Kwon (Hum Brain Mapp, 200304)
independent-component-model-cognitive-functions-multiple-subjects-o.asp

394.

Reference values for peroneal nerve motor conduction to the tibialis anterior and for peroneal vs. tibial latencies.

OBJECTIVE: To generate a large normative database for the peroneal study to the tibialis anterior and to analyze differences between the peroneal latency to the extensor digitorum brevis and the tibial latency to the abductor hallucis. DESIGN: A total of ...
Ralph M Buschbacher (Am J Phys Med Rehabil, 200304)
reference-values-peroneal-nerve-motor-conduction-tibialis-anterior.asp

395.

Daytime vigilance and quality of life in epileptic patients treated with vagus nerve stimulation.

OBJECTIVES: The goal of this study was to determine if vagus nerve stimulation (VNS) has any effect on daytime vigilance and perceived sense of well-being. METHODS: Multiple Sleep Latency Tests (MSLTs) were performed and visual reaction times (VRTs) ...
Renato Galli, Enrica Bonanni, Chiara Pizzanelli, Michelangelo Maestri, Ludovico Lutzemberger, Filippo Sean Giorgi, Alfonso Iudice, Luigi Murri (Epilepsy Behav, 200304)
daytime-vigilance-quality-life-epileptic-patients-treated-vagus-nerve.asp

396.

Mechanism of persistent protein kinase D1 translocation and activation.

The specificity of many signal transduction pathways relies on the spatiotemporal features of each signaling step. G protein-coupled receptor-mediated activation of protein kinases leads to diverse cellular effects. Upon receptor activation, PKD1 and ...
Elena Oancea, Vassilios J Bezzerides, Anna Greka, David E Clapham (Dev Cell, 200304)
mechanism-persistent-protein-kinase-d-translocation-activation.asp

397.

Rule learning in a serial reaction time task: an fMRI study on patients with early Parkinsons disease.

In the present study, we investigated implicit rule learning in patients with Parkinsons disease (PD) and healthy participants. Functional magnetic resonance imaging (fMRI) and a variant of the serial reaction time task were employed to examine the ...
Katja Werheid, Stefan Zysset, A Müller, M Reuter, D Yves von Cramon (Brain Res Cogn Brain Res, 200304)
rule-learning-serial-reaction-time-task-fmri-study-patients-early.asp

398.

Awareness affects the response of human subjects exposed to a single whiplash-like perturbation.

STUDY DESIGN: Human subjects were exposed experimentally to a single whiplash-like perturbation. OBJECTIVE: To determine how awareness of the presence and timing of a whiplash-like perturbation affects the onset and amplitude of the neck muscle response ...
Gunter P Siegmund, David J Sanderson, Barry S Myers, J Timothy Inglis (Spine, 200304)
awareness-affects-response-human-subjects-exposed-single-whiplash.asp

399.

An electrophysiological study of scene effects on object identification.

The meaning of a visual scene influences the identification of visual objects embedded in it. We investigated the nature and time course of scene effects on object identification by recording event-related brain potentials (ERPs) and response times ...
Giorgio Ganis, Marta Kutas (Brain Res Cogn Brain Res, 200304)
electrophysiological-study-scene-effects-object-identification.asp

400.

Phonological processing during language production: fMRI evidence for a shared production-comprehension network.

Studies of phonological processes during language comprehension consistently report activation of the superior portion of Brocas area. In the domain of language production, however, there is no unequivocal evidence for the contribution of Brocas area to ...
St Heim, B Opitz, K Müller, A D Friederici (Brain Res Cogn Brain Res, 200304)
phonological-processing-language-production-fmri-evidence-shared.asp