Núcleo de Neuroengenharia e Computação - Unifesp

https://www.youtube.com/watch?v=odWw4TH5zGY

Neurociência Aplicada ao Marketing, Genética, Cinema e Engenharia Sejam bem vindos ao I Curso Introdutório da Liga Acadêmica de Neurociências da UNIFESP!Nosso curso contará com 4 dias de palestras (08/11 a 11/11), sendo a d...

The brain-computer interface. Current achievements. Overview

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Núcleo de Neuroengenharia e Computação - Unifesp updated their address.

Development of optically controlled “living electrodes” with long-projecting axon tracts for a synaptic brain-machine interface For implantable neural interfaces, functional/clinical outcomes are challenged by limitations in specificity and stability of inorganic microelectrodes. A biological intermediary between microelectrical devices and the brain may improve specificity and longevity through (i) natural synaptic integrat...

Estudo conduzido pelo docente da EPM/Unifesp Jean Faber analisou como semelhanças entre regiões do estado impactaram na propagação do coronavírus e na taxa de mortalidade. Resultados preliminares apontam para conglomerados de regiões, que não são necessariamente formados por territórios vizinhos, mas, quando ligados por certas regiões, podem apresentar “corredores de propagação” da covid-19.

🌐Saiba mais em: https://bit.ly/3gXPuYT.

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http://www.portalaction.com.br/inferencia/513-poder-do-teste

5.1.3 - Poder do teste - Inferência | Portal Action Seja $T$ um teste estatístico com região crítica $C$ para avaliarmos hipóteses a respeito do parâmetro $\theta$. A função poder do teste é a probabilidade de rejeitarmos $H_0$ dado o valor de $\theta$. Neste caso, temos que \[\pi(\theta)=\mathbb{P}[\hbox{rejeitar} \ H_0|\theta]=\mathbb{P}[T\...

DESAFIOS PARA A CIÊNCIA E AS UNIVERSIDADES EM UM PAÍS EM CRISE

Este será o tema do próximo webinar promovido pela Academia de Ciências do Estado de São Paulo (ACIESP), com as participações de
Luiz Davidovich (Presidente da Academia Brasileira de Ciências - ABC) e Renato Janine Ribeiro Renato Janine Ribeiro (Ex-Ministro da Educação).

Quinta-feira, 27/05, às 16h

Transmissão ao vivo pelo YouTube: https://youtu.be/hor7ApMDfBM

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Breath and Brain: Attention to Breathing Boosts Brain Health

A recent study from 2018 titled Coupling of respiration and attention via the locus coeruleus: Effects of meditation and pranayama discussed how focused attention to breathing can help improve brain health and increase your focus and concentration.

How it does this exactly is through an area in the brainstem called the locus coeruleus (LC). The LC has well established functions in respiration and attention. The LC is a chemosensitive area within the brainstem that can automatically activate the phrenic nerve (the big nerve that connects to the diaphragm) to increase respirations when increased levels of CO2 are detected, to help bring oxygen up and CO2 levels down.

The LC is also an area that produces much of the brain's norepinephrine. Norepinephrine gets released into the bloodstream when you are exercising, focused or emotionally aroused. It enhances your attention to detail and improves overall brain health by promoting the growth of new neural connections by connecting to several key regions in the brain.

Too much norepinephrine can happen when we are stressed out and unable to focus, too little and we may feel too sluggish to think straight...but there is a sweet spot where we are able to think clearly...and this may happen with our breath.

When you breath in, activity in the LC increase (potentially raising norepinephrine) and when you breath out, activity in the LC decreases (potentially lowering norepinephrine).

Breath-focused meditation has long been shown to have numerous cognitive benefits such as improving attention, increasing positive emotions and decreasing emotional reactivity. This paper showed that there is a direct link between breathing and natural levels of norepinephrine.

“This study has shown that as you breathe in, locus coeruleus activity is increasing slightly, and as you breathe out it decreases,” says Michael Melnychuk, PhD candidate at the Trinity College Institute of Neuroscience and lead author of the study. “Put simply, this means that our attention is influenced by our breath and that it rises and falls with the cycle of respiration. It is possible that by focusing on and regulating your breathing you can optimize your attention level and likewise, by focusing on your attention level, your breathing becomes more synchronized.”

Practicing breath-focused meditation on a daily basis can have a profound impact on brain health, but it is also a great way to short circuit panic, stress and fear. When we experience stress and fear, we can feel it in our body. Our palms get sweaty, our respirations increase in number and shorten in depth. These bodily cues are signals that the fear is about to take over our body and shut down our thinking brain.

A simple breathing exercise to realign the body and brain is this!:

1. Slowly inhale through your nostrils to a count of 4.

2. Hold your breath in to a count of 4.

3. Exhale slowly through your mouth to a count of 4 or more.

Repeat this until you feel your heart rate slow down and your body begin to calm. It really can be that simple!

Full blog post and link to paper: https://thebrainchat.com/brain-chat-blog/f/breath-and-brain-attention-to-breathing-boosts-brain-health

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