User profiles for Jonathan Duncan

John Duncan

- Verified email at mrc-cbu.cam.ac.uk - Cited by 59043

Jonathan M Duncan

- Verified email at psu.edu - Cited by 1272

A neural basis for general intelligence

J Duncan, RJ Seitz, J Kolodny, D Bor, H Herzog… - Science, 2000 - science.org
Universal positive correlations between different cognitive tests motivate the concept of “general
intelligence” or Spearman'sg. Here the neural basis for g is investigated by means of …

Intelligence and the frontal lobe: The organization of goal-directed behavior

J Duncan, H Emslie, P Williams, R Johnson… - Cognitive psychology, 1996 - Elsevier
Basic to the study of individual differences is the concept of “general intelligence” or
Spearman'sg.In this article we suggest thatgis largely a reflection of the control functions of the …

[HTML][HTML] Mapping neurotransmitter systems to the structural and functional organization of the human neocortex

…, RN Spreng, M Galovic, MJ Koepp, JS Duncan… - Nature …, 2022 - nature.com
Neurotransmitter receptors support the propagation of signals in the human brain. How
receptor systems are situated within macro-scale neuroanatomy and how they shape emergent …

[HTML][HTML] The Cambridge Centre for Ageing and Neuroscience (Cam-CAN) study protocol: a cross-sectional, lifespan, multidisciplinary examination of healthy cognitive …

…, R Cusack, AJ Calder, WD Marslen-Wilson, J Duncan… - BMC neurology, 2014 - Springer
Background As greater numbers of us are living longer, it is increasingly important to understand
how we can age healthily. Although old age is often stereotyped as a time of declining …

Attenuation correction synthesis for hybrid PET-MR scanners: application to brain studies

…, CJ Mahoney, JM Schott, JS Duncan… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Attenuation correction is an essential requirement for quantification of positron emission
tomography (PET) data. In PET/CT acquisition systems, attenuation maps are derived from …

Effects of suburban development on runoff generation in the Croton River basin, New York, USA

D Burns, T Vitvar, J McDonnell, J Hassett, J Duncan… - Journal of …, 2005 - Elsevier
The effects of impervious area, septic leach-field effluent, and a riparian wetland on runoff
generation were studied in three small (0.38–0.56km 2 ) headwater catchments that represent …

Neural mechanisms of selective visual attention

R Desimone, J Duncan - Annual review of neuroscience, 1995 - annualreviews.org
The two basic phenomena that define the problem of visual attention can be illustrated in a
simple example. Consider the arrays shown in each panel of Figure 1. In a typical experiment…

Prophylactic administration of avotermin for improvement of skin scarring: three double-blind, placebo-controlled, phase I/II studies

MWJ Ferguson, J Duncan, J Bond, J Bush, P Durani… - The Lancet, 2009 - thelancet.com
Background Research into mechanisms of skin scarring identified transforming growth
factor β3 (TGFβ3) as a potential antiscarring therapy. We assessed scar improvement with …

Visual search and stimulus similarity.

J Duncan, GW Humphreys - Psychological review, 1989 - psycnet.apa.org
A new theory of search and visual attention is presented. Results support neither a distinction
between serial and parallel search nor between search for features and conjunctions. For …

[HTML][HTML] Identical, but not the same: intra-site and inter-site reproducibility of fractional anisotropy measures on two 3.0 T scanners

…, MR Symms, P Thompson, V Kumari, JS Duncan… - Neuroimage, 2010 - Elsevier
Diffusion Tensor Imaging (DTI) is being increasingly used to assess white matter integrity and
it is therefore paramount to address the test–retest reliability of DTI measures. In this study …