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Week in review: 03 – 09 Jan 2022
Română January marks the start of a new type of post here at Neurofrontiers: the “Week in review”. In these posts, we discuss briefly neuroscience topics which have caught our attention during the week. We hope you’ll enjoy it. 1. Neurophysiological markers could help us better diagnose mental and neurological disorders. Neurophysiological markers include both…
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The Nocebo Effect
Română The nocebo effect is the opposite of the placebo effect. In other words, it refers to negative side effects which appear when the patient has negative expectations from a treatment, even if the administered “treatment” is inert. One consequence of the nocebo effect is that warning patients about the side effects of a certain…
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The Placebo Effect
Română The placebo effect refers to the therapeutic response which occurs as a consequence of an inert treatment. The “treatment” in cause can be either a tablet, an injection or even surgery. Placebo interventions are used in clinical trials in order to determine whether a medical treatment has a true effect, independent of the expectations…
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Measuring Human Intracranial Activity
Română Wait, we can do that? In short, yes, but only under very specific circumstances. Measuring human intracranial activity involves, of course, opening the skull and inserting electrodes or sensors which can record brain activity into the brain. This activity can be recorded either from single neurons or from entire neuronal populations. This is a…
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Thyroid Hormones and the Brain
Română In today’s post we’ll be talking about some of the more popular hormones out there, namely thyroid hormones, and their effects on the brain. (This post is part of our series “Hormone Effects on the Brain“) The thyroid gland Although you’ll more commonly hear it described as butterfly-shaped, you can think of the thyroid…
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World Alzheimer’s Day
Română Alzheimer’s disease (AD) is the most common forms of dementia. It is estimated that ~55 million people worldwide suffer from dementia, with 60%-70% of these cases being due to Alzheimer’s. Scientists believe AD is caused by the accumulation of abnormal amounts of two proteins, amyloid beta and tau, in neurons, which ultimately leads to…
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Simulating the Brain
Română There is an entire field of neuroscience dedicated to simulating the brain. But does that mean that researchers are building simulations which can do everything our brains do? And if not, what’s the point then? To put it simply, no, brain simulations can’t do everything our brains do. And in fact, if they did…
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The Cortical Hierarchy
Română Today we’re going back to basics and talking a little bit about the cortical structure and hierarchy. Generally speaking, the cerebral cortex can be divided into two categories: – sensory cortex (such as visual, auditory or somatosensory) – association cortex (such as the prefrontal cortex). As their name suggest, these types of cortex have…
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Hormone effects on the brain: a series
It’s not for nothing that they call it the “neuroendocrine” system.