User profiles for Philippa A. Johnson

Philippa Johnson

Leiden University
Verified email at fsw.leidenuniv.nl
Cited by 93

Extensive connections of the canine olfactory pathway revealed by tractography and dissection

…, A Horowitz, GM Lawrence, PJ Johnson - Journal of …, 2022 - Soc Neuroscience
The olfactory sense of the domestic dog is widely recognized as being highly sensitive with
a diverse function; however, little is known about the structure of its olfactory system. This …

[HTML][HTML] Stereotactic cortical atlas of the domestic canine brain

PJ Johnson, WM Luh, BC Rivard, KL Graham… - Scientific Reports, 2020 - nature.com
The domestic canine (canis familiaris) is a growing novel model for human neuroscientific
research. Unlike rodents and primates, they demonstrate unique convergent sociocognitive …

Differences in frontal network anatomy across primate species

…, H D'Arceuil, PL Croxson, PJ Johnson… - Journal of …, 2020 - Soc Neuroscience
The frontal lobe is central to distinctive aspects of human cognition and behavior. Some
comparative studies link this to a larger frontal cortex and even larger frontal white matter in …

[HTML][HTML] A rebalancing of financial valuations and expectations moving forward in the telehealth sector as the United States moves toward a post-COVID-19 reality

N Bettencourt, CJ Wilson, PJ Johnson… - Journal of Medical Internet …, 2023 - jmir.org
The telehealth sector of health care delivery experienced significant growth at the start of the
pandemic as web-based care quickly became essential for the ongoing safety of patients …

Outcome comparison in dogs with a presumptive diagnosis of thoracolumbar fibrocartilaginous embolic myelopathy and acute non‐compressive nucleus pulposus …

…, S Behr, A Shea, E Dominguez, PJ Johnson… - Veterinary …, 2017 - Wiley Online Library
Dogs with fibrocartilaginous embolic myelopathy (FCEM) or acute non‐compressive nucleus
pulposus extrusion (ANNPE) are reported to have a fair prognosis; however, persistent …

Serial evaluation of thoracic radiographs and acute phase proteins in dogs with pneumonia

…, A Lerer, S Robbins, PJ Johnson… - Journal of Veterinary …, 2022 - Wiley Online Library
Background Acute phase proteins (APP) may guide treatment of pneumonia in dogs but
correlations with radiographic abnormalities are poorly characterized. Objectives Develop a …

MRI has limited agreement with CT in the evaluation of vertebral fractures of the canine trauma patient

…, S Nykamp, M Rishniw, PJ Johnson - Veterinary radiology …, 2019 - Wiley Online Library
Complete assessment of vertebral trauma in dogs currently requires CT and MRI for
evaluation of the osseous and soft tissue structures that contribute to vertebral stability. Some …

Canine cognitive dysfunction patients have reduced total hippocampal volume compared with aging control dogs: a comparative magnetic resonance imaging study

CW Dewey, M Rishniw, PJ Johnson, S Platt… - Open Veterinary …, 2020 - ajol.info
Background: Hippocampal atrophy is a key pathologic and magnetic resonance imaging (MRI)
feature of human Alzheimer’s disease (AD). Hippocampal atrophy has not been …

[HTML][HTML] Diffusion tensor-based analysis of white matter in the healthy aging canine brain

…, WM Luh, MJ de Leon, SN Niogi, PJ Johnson - Neurobiology of …, 2021 - Elsevier
White matter dysfunction and degeneration have been a topic of great interest in healthy and
pathological aging. While ex vivo studies have investigated age-related changes in canines…

Relationship between histological tumor margins and magnetic resonance imaging signal intensities in brain neoplasia of dogs

PJ Johnson, BC Rivard, JH Wood… - Journal of Veterinary …, 2022 - Wiley Online Library
Background Intracranial neoplasia is relatively common in dogs and stereotactic radiotherapy,
surgical debulking, or both, are the most successful treatment approaches. A key …