Cognitive and white-matter compartment models reveal selective relations between corticospinal tract microstructure and simple reaction time

E Karahan, AG Costigan, KS Graham… - Journal of …, 2019 - Soc Neuroscience
The speed of motor reaction to an external stimulus varies substantially between individuals
and is slowed in aging. However, the neuroanatomical origins of interindividual variability in …

Neurochemical correlates of scene processing in the precuneus/posterior cingulate cortex: A multimodal fMRI and 1H‐MRS study

AG Costigan, K Umla‐Runge, CJ Evans… - Human brain …, 2019 - Wiley Online Library
Precuneus/posterior cingulate cortex (PCu/PCC) are key components of a midline network,
activated during rest but also in tasks that involve construction of scene or situation models. …

Curious connections: white matter pathways supporting individual differences in epistemic and perceptual curiosity

A Valji, A Priemysheva, CJ Hodgetts, AG Costigan… - BioRxiv, 2019 - biorxiv.org
Across the lifespan, curiosity motivates us to learn, yet curiosity varies strikingly between
individuals. Such individual differences have been shown for two distinct dimensions of curiosity…

A role for the fornix in temporal sequence memory

…, AD Lawrence, AG Costigan… - European Journal of …, 2023 - Wiley Online Library
Converging evidence from studies of human and nonhuman animals suggests that the
hippocampus contributes to sequence learning by using temporal context to bind sequentially …

[HTML][HTML] Evidence against altered excitatory/inhibitory balance in the posteromedial cortex of young adult APOE E4 carriers: a resting state 1H-MRS study

AG Costigan, K Umla-Runge, CJ Evans, R Raybould… - Neuroimage …, 2021 - Elsevier
A strategy to gain insight into early changes that may predispose people to Alzheimer's
disease (AD) is to study the brains of younger cognitively healthy people that are at increased …

Cognitive and white-matter compartment models revealed the contribution of microstructural variability along sensorimotor tracts to simple reaction time

E Karahan, AG Costigan, KS Graham, AD Lawrence… - bioRxiv, 2018 - biorxiv.org
The speed of voluntary reaction to an external stimulus varies substantially between
individuals and is impaired in ageing. However, the neuroanatomical origins of inter-individual …

The Anglo-Irish Conflict, 1919-1922: A War of Independence or Systematized Murder?

G Costigan - University Review, 1968 - JSTOR
… This was also the view taken by the Unionist historian from Trinity College, Professor
Alison Phil lips,91 as well as by many subsequent English historians. "War," wrote Malcolm …

Functional-biochemical relationships in the posterior cingulate cortex, and their application to the genetic risk of Alzheimer's disease

A Costigan - 2016 - orca.cardiff.ac.uk
A major challenge in Alzheimer’s disease (AD) research is to improve understanding of the
earliest brain changes associated with AD, in order to develop treatments to combat this …

[HTML][HTML] A conserved population of MHC II-restricted, innate-like, commensal-reactive T cells in the gut of humans and mice

CP Hackstein, D Costigan, L Drexhage… - Nature …, 2022 - nature.com
Interactions with commensal microbes shape host immunity on multiple levels and play a
pivotal role in human health and disease. Tissue-dwelling, antigen-specific T cells are poised …

[HTML][HTML] A cross-sectional investigation of the importance of park features for promoting regular physical activity in parks

SA Costigan, J Veitch, D Crawford, A Carver… - International journal of …, 2017 - mdpi.com
Introduction: Parks in the US and Australia are generally underutilised, and park visitors
typically engage in low levels of physical activity (PA). Better understanding park features that …