Attention

491.

Investigating the generators of the scalp recorded visuo-verbal P300 using cortically constrained source localization.

Considerable ambiguity exists about the generators of the scalp recorded P300, despite a vast body of research employing a diverse range of methodologies. Previous investigations employing source localization techniques have been limited largely to ...
Kathryn A Moores, C Richard Clark, Jo L M Hadfield, Greg C Brown, D James Taylor, Sean P Fitzgibbon, Andrew C Lewis, Darren L Weber, Richard Greenblatt (Hum Brain Mapp, 200301)
investigating-generators-scalp-recorded-visuo-verbal-p-cortically.asp

492.

Long-term inhibition of return of attention.

During search of the environment, the inhibition of the return (IOR) of attention to already-examined information ensures that the target will ultimately be detected. Until now, inhibition was assumed to support search of information during one ...
Steven P Tipper, Sarah Grison, Klaus Kessler (Psychol Sci, 200301)
long-term-inhibition-return-attention.asp

493.

Spontaneous attention to word content versus emotional tone: differences among three cultures.

A Stroop interference task was used to test the hypothesis that people in different cultures are differentially attuned to verbal content vis-à-vis vocal tone in comprehending emotional words. In Study 1, Americans showed greater difficulty ignoring ...
Keiko Ishii, Jose Alberto Reyes, Shinobu Kitayama (Psychol Sci, 200301)
spontaneous-attention-word-content-versus-emotional-tone-differences.asp

494.

Exogenously cued attention triggers competitive selection of surfaces.

It has been reported that when an endogenous cue directs attention to a brief translation of one of two superimposed surfaces, observers reliably report the direction of that translation as well as the direction of a second translation of the cued ...
John H Reynolds, Shervin Alborzian, Gene R Stoner (Vision Res, 200301)
exogenously-cued-attention-triggers-competitive-selection-surfaces.asp

495.

A demonstration of within-subjects latent inhibition in the human: limitations and advantages.

The magnitude of latent inhibition (LI) (a retardation of associative learning due to prior exposure to the conditioning stimulus) was measured in healthy volunteers using both a within- and a between-subjects version of the task. Reliable LI was ...
Nicola S Gray, Robert J Snowden, Michelle Peoples, David R Hemsley, Jeffrey A Gray (Behav Brain Res, 200301)
demonstration-subjects-latent-inhibition-human-limitations-advantages.asp

496.

Attentional bias and addictive behaviour: automaticity in a gambling-specific modified Stroop task.

AIMS: This study examined the relationship between attention and gambling behaviour by measuring the level of Stroop interference towards gambling-related words in a group of regular poker machine players. DESIGN: A 3 x 2 repeated measures experimental ...
Morten Boyer, Mark Dickerson (Addiction, 200301)
attentional-bias-addictive-behaviour-automaticity-gambling-specific.asp

497.

Impairment in activation of a frontal attention-switch mechanism in schizophrenic patients.

The present study addresses the difference in activities of frontal and temporal mismatch negativity (MMN) generators between healthy controls and schizophrenic patients. Auditory MMNs were measured from 13 medicated schizophrenic patients in a ...
Yasuharu Sato, Hirooki Yabe, Juanita Todd, Patricia Michie, Naoko Shinozaki, Takeyuki Sutoh, Tomiharu Hiruma, Tadayoshi Nashida, Takashi Matsuoka, Sunao Kaneko (Biol Psychol, 200301)
impairment-activation-frontal-attention-switch-mechanism.asp

498.

Effects of catecholamine depletion on D2 receptor binding, mood, and attentiveness in humans: a replication study.

The effect of catecholamine depletion, achieved by per-oral administration of 5250 mg alpha-methyl-para-tyrosine (AMPT) given in the 29 h prior to [11C]raclopride positron emission tomography (PET) was studied on measures of dopamine (DA) release, mood, ...
Nicolaas P L G Verhoeff, Bruce K Christensen, Doug Hussey, Maggie Lee, George Papatheodorou, Lili Kopala, Qing Rui, Robert B Zipursky, Shitij Kapur (Pharmacol Biochem Behav, 200301)
effects-catecholamine-depletion-d-receptor-binding-mood-attentiveness.asp

499.

Lead stimulus modality change and the attentional modulation of the acoustic and electrical blink reflex.

Two experiments investigated the effects of the sensory modality of the lead and of the blink-eliciting stimulus during lead stimulus modality change on blink modulation at lead intervals of 2500 and 3500 ms. Participants were presented with acoustic, ...
Ottmar V Lipp, David L Neumann, Meredith J McHugh (Biol Psychol, 200301)
lead-stimulus-modality-change-attentional-modulation-acoustic.asp

500.

Impaired distractor inhibition in patients with schizophrenia on a negative priming task.

BACKGROUND: Numerous studies have suggested, via the interpretation of negative priming effects, that subjects with schizophrenia are less able than controls to inhibit irrelevant distracting information. Further issues concerning impairment in ...
G M MacQueen, T Galway, J O Goldberg, S P Tipper (Psychol Med, 200301)
impaired-distractor-inhibition-patients-schizophrenia-negative.asp