黑料网大事记

Neuroimaging

The Neuroimaging Laboratory (NiL) was established in 1991 in response to a need for the assessment of brain images, in order to improve our understanding of the brain in health and disease.
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brain atrophy on MRI of Dementia patient

Mission and objectives

Based at the Centre for Healthy Brain Ageing (CHeBA), 黑料网大事记 Sydney, the Neuroimaging Laboratory (NiL) is dedicated to advancing our understanding of how and why the brain changes with age. Our overarching objective is to use state-of-the-art neuroimaging techniques to identify clinical, lifestyle, genetic, and environmental determinants of brain ageing in both healthy older adults and those with dementia. By integrating brain scans with rich medical and lifestyle data, we investigate factors that support healthy brain ageing or, conversely, contribute to brain disease. This knowledge is critical for developing strategies to maintain brain health and potentially delay or prevent conditions such as Alzheimer鈥檚 disease.

Neuroimaging techniques and computational analysis

Our primary imaging modality is Magnetic Resonance Imaging (MRI), which provides high-resolution insights into brain structure and function. We also incorporate Positron Emission Tomography (PET) in select studies to investigate molecular aspects of neurodegeneration, such as amyloid plaques and metabolic activity. Technically, our lab focus on computational neuroanatomy and image analysis. We develop and apply advanced image-processing methods and deep-learning models to extract quantitative biomarkers from brain scans. These approaches help us detect subtle signs of both pathological and healthy ageing. By combining multi-modal imaging with cutting-edge analytics, we aim to construct comprehensive models of brain ageing.

Current research focus: Cerebrovascular health

A key area of our research is cerebrovascular injury and its impact on brain ageing. Growing evidence highlights the interplay between vascular pathology and neurodegeneration in dementia. Vascular burden can accelerate cognitive decline and may act as an early trigger for diseases like Alzheimer鈥檚. Likewise, neurodegeneration can further damage blood vessels, creating a cycle that worsens brain injury over time. By using neuroimaging to detect and quantify vascular lesions, we examine how vascular health influences the course of brain ageing and dementia. Our goal is to enhance early detection of vascular contributions to cognitive decline and explore interventions that promote vascular brain health.

Our team

Our lab is home to a multidisciplinary team of researchers, including research students, postdoctoral fellows, and visiting scholars. This diversity fosters a dynamic environment where individuals from varied backgrounds learn from each other. Alumni from our lab have gone on to careers in academia, healthcare, and industry. Our lab culture promotes collaboration, curiosity, and continuous learning in the pursuit of understanding the ageing brain.

Collaboration and multidisciplinary approach

Breakthroughs in neuroimaging rely on multidisciplinary collaboration, and our lab embraces this fully. We work closely with experts in psychiatry, geriatric medicine, biomedical engineering, computer science, data science, and mathematics. By connecting these disciplines, we address complex questions that no single field could tackle alone.

We also partner with research groups and consortia in Australia and internationally. These collaborations provide access to large neuroimaging datasets and a breadth of expertise鈥攆rom MRI sequencing to population health. Through these global efforts, we contribute to identifying biomarkers of brain ageing and advancing dementia prevention.

We welcome prospective students and fellows from fields such as biology, psychology, medicine, engineering, physics, computer science, and data science. If you鈥檙e passionate about understanding the brain and improving ageing outcomes, we invite you to join our team.

Group members

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Dr Jing Du

Visiting Fellow

Students

  • Russell Chander
  • Dr Jing Du
  • Abdullah Alqarni
  • Dr Rebecca Koncz
  • Chao Dong
  • Shizuka Hayashi
  • Mohammed Alghamdi
  • Shizuka Hayashi
  • Keshuo Lin
  • Nikita Keshena Husein
  • Mai-Phuong Ho,
  • Yiqiao Yan
  • Chaoyue Guo

Alumni, Honorary Fellows & collaborators

  • Dr Wanlin Zhu (Postdoc Fellow and now 黑料网大事记 Visiting Fellow)
  • Dr Amir Seyed Batouli (PhD student)
  • Dr Xiaohua Chen (PhD student)
  • Dr Haobo Zhang (PhD student and Postdoc Fellow)
  • Dr Lin Zhuang (PhD student and Postdoc Fellow)
  • Dr Jing Du (PhD student)
  • Chao Dong (PhD student)
  • Abdullah Alqarni (PhD student)
  • Russell Chander (PhD student)

Group projects

  • Investigation of cerebrovascular system - blood-brain barrier permeability, cerebrovascular reactivity mapping in the ageing brain.
  • Genetic and environmental influences on human brain changes in ageing.
  • Automated rating of lesions of small vessel disease, including perivascular spaces, lacunes and microbleeds, in the ageing brains using deep learning.
  • Diagnosis and Prediction of MCI and AD using Pattern Rec卢ognition Methods
  • Morphology of Cortical Surface: Cortical Folding Pattern and Sulcal Width
  • Structural Brain Networks
  • Functional Brain Networks
  • Examining Cerebrovascular burden in the old brain using diffusion weighted imaging (DWI)

Neuroimaging Group software

The scope of research at NiL is brain ageing by using MRI (including both structural and functional scans) and PET scans. Our current research focus is cerebrovascular disease (CVD). We have developed software for the comprehensive and quantitative mapping of brain white matter diseases and integrity, closely related to CVD. They have been well validated in various samples, and are now available for download.

We have developed software for the mapping of brain white matter diseases and integrity. These are now available for download.