Reaction Time

611.

Category-specific representations of social and nonsocial knowledge in the human prefrontal cortex.

Complex social behavior and the relatively large size of the prefrontal cortex are arguably two of the characteristics that distinguish humans from other animals. Grafman presented a framework concerning how the prefrontal cortex (PFC) controls complex ...
J N Wood, S G Romero, M Makale, J Grafman (J Cogn Neurosci, 200302)
category-specific-representations-social-nonsocial-knowledge-human.asp

612.

Intracortical inhibition and facilitation of the response of the diaphragm to transcranial magnetic stimulation.

Respiratory muscles respond to a subcortical automatic command and to a neocortical voluntary command. In diseases such as stroke or motor neurone disease, an abnormal diaphragmatic response to single transcranial magnetic stimuli can identify a central ...
Alexandre Demoule, Eric Verin, Ewen Ross, John Moxham, Jean-Philippe Derenne, Michael I Polkey, Thomas Similowski (J Clin Neurophysiol, 200302)
intracortical-inhibition-facilitation-response-diaphragm-transcranial.asp

613.

Intracortical inhibition and facilitation in paired-pulse transcranial magnetic stimulation: effect of conditioning stimulus intensity on sizes and latencies of motor evoked potentials.

The influence of the intensity of the conditioning stimulus on intracortical inhibition (ICI) and intracortical facilitation (ICF) was assessed in a study using paired-pulse transcranial magnetic stimulation. Interstimulus intervals (ISIs) between ...
Andon R Kossev, Sabine Siggelkow, Reinhard Dengler, Jens D Rollnik (J Clin Neurophysiol, 200302)
intracortical-inhibition-facilitation-paired-pulse-transcranial.asp

614.

P300 component identification using source analysis techniques: reduced latency variability.

P300 latency variability in normal subjects is a complicating factor in clinical event-related potential studies because it limits diagnostic applicability. The current study was conducted to determine whether identification of P300 (P3A and P3B) ...
J W Elting, T W van Weerden, J van der Naalt, J H A De Keyser, N M Maurits (J Clin Neurophysiol, 200302)
p-component-identification-source-analysis-techniques-reduced.asp

615.

Neuroimaging studies of word and pseudoword reading: consistencies, inconsistencies, and limitations.

Several functional neuroimaging studies have compared words and pseudowords to test different cognitive models of reading. There are difficulties with this approach, however, because cognitive models do not make clear-cut predictions at the neural level. ...
Andrea Mechelli, Maria Luisa Gorno-Tempini, Cathy J Price (J Cogn Neurosci, 200302)
neuroimaging-studies-word-pseudoword-reading-consistencies.asp

616.

Visual selective behavior can be triggered by a feed-forward process.

The ventral visual pathway implements object recognition and categorization in a hierarchy of processing areas with neuronal selectivities of increasing complexity. The presence of massive feedback connections within this hierarchy raises the possibility ...
Rufin VanRullen, Christof Koch (J Cogn Neurosci, 200302)
visual-selective-behavior-triggered-feed-forward-process.asp

617.

Form-from-motion: MEG evidence for time course and processing sequence.

The neural mechanisms and role of attention in the processing of visual form defined by luminance or motion cues were studied using magnetoencephalography. Subjects viewed bilateral stimuli composed of moving random dots and were instructed to covertly ...
M A Schoenfeld, M Woldorff, E Düzel, H Scheich, H-J Heinze, G R Mangun (J Cogn Neurosci, 200302)
form-motion-meg-evidence-time-course-processing-sequence.asp

618.

Estimating time to contact and impact velocity when catching an accelerating object with the hand.

To catch a moving object with the hand requires precise coordination between visual information about the targets motion and the muscle activity necessary to prepare for the impact. A key question remains open as to if and how a human observer uses ...
Patrice Senot, Pascal Prévost, Joseph McIntyre (J Exp Psychol Hum Percept Perform, 200302)
estimating-time-contact-impact-velocity-catching-accelerating-object.asp

619.

When a reappearance is old news: visual marking survives occlusion.

Performance in a visual search task becomes more efficient if half of the distractors are presented before the rest of the stimuli. This "preview benefit" may partly be due to inhibition of the old (previewed) items. The preview effect is abolished, ...
Melina A Kunar, Glyn W Humphreys, Kelly J Smith, Derrick G Watson (J Exp Psychol Hum Percept Perform, 200302)
reappearance-old-news-visual-marking-survives-occlusion.asp

620.

Lexical access without attention? Explorations using dichotic priming.

The authors used lexical decision in a dichotic listening situation and measured identity priming across channels to explore whether unattended stimuli can be processed lexically. In 6 experiments, temporal synchronization of prime and target words was ...
Emmanuel Dupoux, Sid Kouider, Jacques Mehler (J Exp Psychol Hum Percept Perform, 200302)
lexical-access-attention-explorations-dichotic-priming.asp