neurodegeneration
Herpes Viruses Implicated in Alzheimer’s Disease
Herpes Viruses Implicated in Alzheimer’s Disease
Anna Azvolinsky | Jun 21, 2018

A new study shows that the brains of Alzheimer’s disease patients have a greater viral load, while another study in mice shows infection leads to amyloid-β build up.

Dopamine Neuron Implants Ease Parkinson’s Symptoms in Monkeys
Dopamine Neuron Implants Ease Parkinson’s Symptoms in Monkeys
Sukanya Charuchandra | Jun 20, 2018
The stem cell–derived transplants were stable for 24 months and led to wide-ranging behavioral improvements in the monkeys.  
Researchers Succeed in Keeping Disembodied Pig Brains Alive
Researchers Succeed in Keeping Disembodied Pig Brains Alive
Catherine Offord | May 1, 2018
The organs showed neural activity for up to 36 hours, adding fuel to discussions about the ethics of future neuroscientific research.
Microglia Remember Bouts of Bodily Inflammation in Mice
Microglia Remember Bouts of Bodily Inflammation in Mice
Ashley Yeager | Apr 11, 2018
A new study reports that immune memory may contribute to neurodegenerative diseases.
Alzheimer’s Should be Characterized by Biomarkers: Report
Alzheimer’s Should be Characterized by Biomarkers: Report
Diana Kwon | Apr 10, 2018
A proposed definition of the disease emphasizes signs of neurodegeneration and the presence of β-amyloid and tau, rather than cognitive symptoms.
Image of the Day: Aging Brain Cells
Image of the Day: Aging Brain Cells
The Scientist Staff | Mar 13, 2018
Scientists identified a gene involved in the age-related deterioration of mouse neural stem cells.
Study Finds No Neurogenesis in Adult Humans’ Hippocampi
Study Finds No Neurogenesis in Adult Humans’ Hippocampi
Ashley Yeager | Mar 7, 2018
Failure to produce evidence of neural precursor cells and immature neurons raises questions about the role of the process in learning and memory.
Prosthetic Retinas Help Blind Mice See
Prosthetic Retinas Help Blind Mice See
Ashley Yeager | Mar 6, 2018
Artificial photoreceptors made of nanowires help restore blind animals’ sensitivity to light.
Researchers Develop Potential Blood Test for Alzheimer’s Disease
Researchers Develop Potential Blood Test for Alzheimer’s Disease
Catherine Offord | Feb 2, 2018
The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.
Cellular Senescence in Astrocytes May Play Central Role in Parkinson’s Disease
Cellular Senescence in Astrocytes May Play Central Role in Parkinson’s Disease
Katarina Zimmer | Jan 24, 2018
The elimination of these glia in the mouse brain ameliorated the development of Parkinsonian neuropathologies induced by the pesticide toxin paraquat.