✦ LIBER ✦

Scopolamine and the control of attention in humans

✍ Scribed by Michael P. Dunne; Laurence R. Hartley

Publisher: Springer
Year: 1986
Tongue: English
Weight: 435 KB
Volume: 89
Category: Article
ISSN: 0033-3158
DOI: 10.1007/bf00175197

No coin nor oath required. For personal study only.

✦ Synopsis

Recent work with humans and animals has suggested that the cholinergic system plays an important role in the active control of attention. This study was designed to investigate the effects of scopolamine upon subjects' ability to utilize knowledge of the spatial probability bias in a display in the detection of briefly-presented target letters. Results showed a significant interaction between drug condition (scopolamine 0.9 mg versus Placebo) and target location probability, which indicated that detection of targets in high probability locations decreased under the drug, while detection in low probability locations increased. These results offer support for the notion that scopolamine reduces the efficiency of information encoding because it impairs the optimal utilization of attentional resources.

📜 SIMILAR VOLUMES

Role of monoamine pathways in the contro

Role of monoamine pathways in the control of attention: Effects of droperidol and methylphenidate in normal adult humans

✍ C. R. Clark; G. M. Geffen; L. B. Geffen 📂 Article 📅 1986 🏛 Springer 🌐 English ⚖ 749 KB

Methylphenidate (0.65 mg/kg), droperidol (15 micrograms/kg) or placebo were administered to normal adult males undertaking a dichotic auditory attention task. Performance following placebo, as measured by the ability of subjects to detect nominated target words and discriminate them from phonemicall

Scopolamine slows the orienting of atten

Scopolamine slows the orienting of attention in primates to cued visual targets

✍ M. C. Davidson; E. B. Cutrell; R. T. Marrocco 📂 Article 📅 1999 🏛 Springer 🌐 English ⚖ 144 KB

Pre-Attentive and Attentive Detection of

Pre-Attentive and Attentive Detection of Humans in Wide-Field Scenes

✍ J. H. Elder; S. J. D. Prince; Y. Hou; M. Sizintsev; E. Olevskiy 📂 Article 📅 2006 🏛 Springer US 🌐 English ⚖ 998 KB

On the control of visual spatial attenti

On the control of visual spatial attention: evidence from human electrophysiology

✍ Pierre Jolicœur; Paola Sessa; Roberto Dell’Acqua; Nicolas Robitaille 📂 Article 📅 2005 🏛 Guilford Publishing Inc 🌐 English ⚖ 400 KB

Attention influences the excitability of

Attention influences the excitability of cortical motor areas in healthy humans

✍ Antonella Conte; Francesca Gilio; Ennio Iezzi; Vittorio Frasca; Maurizio Inghill 📂 Article 📅 2007 🏛 Springer-Verlag 🌐 English ⚖ 363 KB

Control of the wrist joint in humans

✍ P. Bawa; G. R. Chalmers; K. E. Jones; K. Søgaard; M. L. Walsh 📂 Article 📅 2000 🏛 Springer 🌐 English ⚖ 196 KB