Joana Carvalho, PhD, managing science editor —

Joana holds a bachelor’s in biology, a Master of Science in evolutionary and developmental biology, and a PhD in biomedical sciences from Universidade de Lisboa, Portugal. Her work has been focused on the impact of non-canonical Wnt signaling in the collective behavior of endothelial cells — those that make up the lining of blood vessels — found in the umbilical cord of newborns. In addition to several research fellowships, she was awarded two Erasmus scholarships to conduct part of her studies in France.

Articles by Joana Carvalho

Scientists Discover Two Distinct Symptom Profiles in HD Patients

People with Huntington’s disease may have two different symptom profiles, a cognitive-motor and a psychiatric profile, associated with different clinical and neurobiological features. The findings of the study, “Specific patterns of brain alterations underlie distinct clinical profiles in Huntington’s disease,” were published in NeuroImage: Clinical. Huntington’s…

Time Perception Impaired in Huntington’s Patients, and Linked to Disease Severity, Study Finds

Time perception is impaired in patients with Huntington’s disease, even in pre- or early-symptomatic stages of the disease, and is correlated with disease severity and progression, Swiss researchers found. The study, “Auditory time perception in Huntington’s disease,” was published in Neuropsychologia. Huntington’s disease is a genetic neurodegenerative disorder…