Background The time spent on ophthalmology training in medical schools has reduced over
the last decades, and the number of doctors unable to solve the most basic ophthalmic …

In the near future, Brazil is expected to face a number of challenges with regards to economic
and social development, and scientific production is a critical aspect of this development …

Foraging rhythms in eusocial insects are determined by the colonys overall pattern. However,
in leaf-cutting ant workers, individual rhythms are not fully synchronized with the colonies’ …

According to the Hick’s law, reaction times increase linearly with the uncertainty of target
stimuli. We tested the generality of this law by measuring reaction times in a human sequence …

Thermal variation has complex effects on organisms and they respond to these effects through
combined behavioral and physiological mechanisms. However, it is less clear how these …

Objective. To analyze specific clinical findings, underlying disorders, treatments, outcomes,
and prognostic factors for reactive hemophagocytic syndrome (RHS) in systemic disease. …

Background Gait is one of the activities most affected by the symptoms of Parkinson’s
disease and may show a linear decline as the disease progresses. Early assessment of its …

Background Parkinson’s disease (PD) is a degenerative neurological disorder that usually
affects people over the age of 60. However, 10%–20% of patients have an early onset of PD (…

Background: People with Parkinson's disease (PD) display poorer gait performance when
walking under complex conditions than under simple conditions. Screening tests that evaluate …

Parkinson’s disease (PD) symptoms have been collectively ascribed to malfunctioning of
dopamine-related nigro-striatal and cortico-striatal loops. However, some doubts about this …