What does the human olfactory system do, and how does it do it?

GN Dikeçligil, JA Gottfried - Annual Review of Psychology, 2024 - annualreviews.org
Historically, the human sense of smell has been regarded as the odd stepchild of the
senses, especially compared to the sensory bravado of seeing, touching, and hearing. The …

High-precision mapping reveals the structure of odor coding in the human brain

V Sagar, LK Shanahan, CM Zelano, JA Gottfried… - Nature …, 2023 - nature.com
Odor perception is inherently subjective. Previous work has shown that odorous molecules
evoke distributed activity patterns in olfactory cortices, but how these patterns map on to …

Unraveling the Link between Olfactory Deficits and Neuropsychiatric Disorders

K Yang, C Ayala-Grosso, JP Bhattarai… - Journal of …, 2023 - Soc Neuroscience
Smell loss has caught public attention during the recent COVID-19 pandemic. Research on
olfactory function in health and disease gains new momentum. Smell deficits have long …

The effect of the apolipoprotein E ε4 allele and olfactory function on odor identification networks

C Frank, A Albertazzi, C Murphy - Brain and Behavior, 2024 - Wiley Online Library
Introduction The combination of apolipoprotein E ε4 (ApoE ε4) status, odor identification, and
odor familiarity predicts conversion to mild cognitive impairment (MCI) and Alzheimer's …

Tau propagation in the brain olfactory circuits is associated with smell perception changes in aging

I Diez, L Ortiz-Terán, TSC Ng, MW Albers… - Nature …, 2024 - nature.com
The direct access of olfactory afferents to memory-related cortical systems has inspired
theories about the role of the olfactory pathways in the development of cortical …

Structural and functional alterations in the brains of patients with anisometropic and strabismic amblyopia: a systematic review of magnetic resonance imaging studies

Y Wang, Y Wu, L Luo, F Li - Neural Regeneration Research, 2023 - journals.lww.com
Amblyopia is the most common cause of vision loss in children and can persist into
adulthood in the absence of effective intervention. Previous clinical and neuroimaging …

Appetite-regulating hormones modulate odor perception and odor-evoked activity in hypothalamus and olfactory cortices

Y Zhao, S Bhutani, T Kahnt - Chemical Senses, 2023 - academic.oup.com
Odors guide food seeking, and food intake modulates olfactory function. This interaction is
mediated by appetite-regulating hormones like ghrelin, insulin, and leptin, which alter …

Multimodal neuroimaging exploration of the mechanisms of sleep quality deterioration after SARS-CoV-2 Omicron infection

Y Du, C Li, W Zhao, J Li, L Zhao, H Guo, Y Jiang… - BMC medicine, 2024 - Springer
Background To evaluate the neurological alterations induced by Omicron infection, to
compare brain changes in chronic insomnia with those in exacerbated chronic insomnia in …

Olfactory identification ability among schizophrenia patients, their first-degree relatives and healthy subjects

S Fukuda, K Ohi, D Fujikane, K Takai… - Australian & New …, 2023 - journals.sagepub.com
Objective: Olfactory impairments, including identification, have been reported in patients with
schizophrenia, while few studies have examined the olfactory function of unaffected first …

[HTML][HTML] Evaluation of simultaneous multi-slice readout-segmented diffusion-weighted MRI acquisition in human optic nerve measurements

H Takemura, W Liu, H Kuribayashi, T Miyata… - Magnetic Resonance …, 2023 - Elsevier
Diffusion-weighted magnetic resonance imaging (dMRI) is the only available method to
measure the tissue properties of white matter tracts in living human brains and has opened …