Cited by 97Nicotinic Acetylcholine Receptors StudyVisual perception and processing mechanismsNeural and Behavioral Psychology Studies

Effects of the cholinergic agonist nicotine on reorienting of visual spatial attention and top-down attentional control

Thiel, C.M., Fink, G.R.·2008·Neuroscience

Abstract

The cholinergic agonist nicotine facilitates detection of invalidly cued trials in location-cueing paradigms and reduces the associated neural activity in human inferior parietal cortex. By using functional magnetic resonance imaging we test the hypothesis that the nicotinic modulation of attentional reorienting may result from reduced use of top-down information derived from prior cues. In a within subjects design non-smoking volunteers were given either placebo or nicotine (Nicorette 2 mg gum) prior to performing a cued target discrimination task. Attention was either validly (80%) or invalidly (20%) cued to the right or left visual hemifield. The difference in reaction times to invalidly and validly cued targets is termed the 'validity effect' and indicates the costs for attentional reorienting. Nicotine reduced the validity effect and reorienting-related neural activity in right inferior parietal cortex. Further regions consistently modulated in their activity by nicotine were the right middle temporal gyrus, left middle frontal gyrus, left parahippocampal gyrus and right cerebellum. The effects of nicotine upon top-down modulation were investigated by comparing occipital activity when attending to the right vs. left visual hemifield under placebo and nicotine. If nicotine reduced the use of top-down information attentional modulation in occipital cortex should be smaller under nicotine as compared with placebo. Even though an attention-related modulation of neural activity was observed in the fusiform and middle occipital gyrus we found no evidence for differences in attentional modulation under placebo and nicotine. Our data support a role of nicotinic cholinergic receptors in facilitating several subcomponents of attentional reorienting via modulation of right inferior parietal, temporal and frontal brain activity. In contrast, the findings in the occipital cortex do not support the hypothesis that the effects of nicotine on attentional reorienting are due to reduced reliance on top-down information derived from prior cues.

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Crossref · 10.1016/j.neuroscience.2007.10.061

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  • Administration of nicotine to subjects undergoing fMRI scanning did not consistently produce significant effects on cognitive performance.

    “Similar to the purely behavioral studies discussed above, administration of nicotine to subjects undergoing fMRI scanning did not consistently produce significant effects on cognitive performance (Giessing et al, 2006; Thiel and Fink, 2008; Vossel et al, 2008).”

    From Modes and models of forebrain cholinergic neuromodulation of cognition (2011) · cites this paper as Thiel and Fink, 2008

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Authors
Thiel, C. M., & Fink, G. R.
Affiliations
  • Carl von Ossietzky Universität Oldenburg (DE)
  • Forschungszentrum Jülich (DE)
Corresponding author
Thiel, C.M.
Venue
Neuroscience
Publisher
Elsevier BV
Published
2008-03
Volume
152
Issue
2
Pages
381-390
ISSN
0306-4522 (ISSN-L)
OpenAlex
W2044846783
Cited by
97
References
55
Citations by year
2025: 5 · 2023: 5 · 2022: 2 · 2021: 5 · 2020: 3 · 2019: 2 · 2018: 2 · 2017: 2 · 2016: 6 · 2015: 5 · 2014: 12 · 2013: 11 · 2012: 9
FWCI
3.69
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft (KFO-112)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
nicotine, nicotinic acetylcholine receptors, attentional reorienting, top-down attentional control, visuospatial attention, inferior parietal cortex, middle temporal gyrus, middle frontal gyrus, parahippocampal gyrus, cerebellum, occipital cortex, attentional modulation
MeSH terms
Adult, Analysis of Variance, Attention, Brain, Brain Mapping, Cues, Female, Humans, Image Processing, Computer-Assisted, Functional Laterality, Magnetic Resonance Imaging, Male, Nicotine, Oxygen, Pattern Recognition, Visual, Photic Stimulation, Reaction Time, Space Perception, Visual Fields, Nicotinic Agonists

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