THE PANDEMIC IS CHANGING OUR BRAINS — HOW TO REVERSE THE EFF | CONSERVATISM: The Enemy Within (& Other Special Topics)

THE PANDEMIC IS CHANGING OUR BRAINS — HOW TO REVERSE THE EFF Apr 18, 2022 18:27:34 GMT

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Post by the Scribe on Apr 18, 2022 18:27:34 GMT

BRAIN HEALTH

THE PANDEMIC IS CHANGING OUR BRAINS — HOW TO REVERSE THE EFFECTS
www.inverse.com/mind-body/the-pandemic-is-changing-our-brains-how-to-fix-it

The novel coronavirus is affecting our brains whether we’ve caught it or not.

Whether you have contracted Covid-19 or not, your brain is likely to have changed over the past few months. The virus itself can cause a number of neurological problems, along with anxiety and depression. The isolation and worry caused by the pandemic can similarly alter our brain chemistry and cause mood disorders.
theconversation.com/how-coronavirus-affects-the-brain-141100
theconversation.com/coronavirus-how-to-stop-the-anxiety-spiralling-out-of-control-133166

In our new paper, published in Neuropsychopharmacology Reviews, we have investigated how to best overcome the brain changes linked to the pandemic.
www.nature.com/articles/s41386-020-00791-9

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Let’s start with Covid-19 infection. In addition to mood disorders, common symptoms include fatigue, headaches, memory loss, and problems with attention. There may be a number of reasons for these brain changes, including inflammation and cerebrovascular events (a syndrome caused by disruption of blood supply to the brain).
www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(20)30287-X/fulltext?utm_source=miragenews&utm_medium=miragenews&utm_campaign=news

Research suggests that the virus may gain access to the brain via the forebrain’s olfactory bulb, which is important for the processing of smell. Loss of smell is a symptom in many patients with Covid-19.
jamanetwork.com/journals/jama/fullarticle/2766523
theconversation.com/coronavirus-scientists-uncover-why-some-people-lose-their-sense-of-smell-138898

As part of the system responsible for your sense of smell, the olfactory bulb sends information about the smell to be further processed in other brain regions – including the amygdala, orbitofrontal cortex, and the hippocampus – which play a major role in emotion, learning, and memory.

As well as having extensive connections to other brain regions, the olfactory bulb is rich in the chemical dopamine, which is important for pleasure, motivation, and action. It may be that Covid-19 alters the levels of dopamine and other chemicals, such as serotonin and acetylcholine, in the brain, but we can’t say for sure yet. All these chemicals are known to be involved in attention, learning, memory, and mood.
www.ncbi.nlm.nih.gov/pmc/articles/PMC5306133/

These changes in the brain are likely responsible for the mood, fatigue, and cognitive changes that are commonly experienced by Covid-19 patients. This, in turn, may underlie the reported symptoms of stress, anxiety, and depression in patients who have contracted the virus.

Lockdown has been stressful for many people.fizkes/Shutterstock

But it’s not just people who have contracted the Covid-19 virus that has suffered from increased anxiety and depression during the pandemic. Excessive worry over contracting or spreading the virus to other family members, as well as isolation and loneliness, can also change our brain chemistry.

Repeated stress is a major trigger for persistent inflammation in the body, which can also affect the brain and shrink the hippocampus and therefore affect our emotions. Stress can also affect levels of brain serotonin and cortisol, which can affect our mood. Eventually, these changes can cause symptoms of depression and anxiety.
theconversation.com/how-chronic-stress-changes-the-brain-and-what-you-can-do-to-reverse-the-damage-133194

BRAIN TRAINING

The good thing about the brain, however, is that it is incredibly plastic, which means it is changeable and can compensate for damage. Even serious conditions such as memory loss and depression can be improved by doing things that alter brain function and its chemistry.

Our paper looks at promising solutions to combat symptoms of stress, anxiety, and depression – in Covid-19 patients and others.
www.nature.com/articles/s41386-020-00791-9

We already know that exercise and mindfulness training – techniques that help us stay in the present – are helpful when it comes to combating brain stress. Indeed, studies have shown beneficial functional and structural changes in the brain’s prefrontal cortex (involved in planning and decision making), hippocampus, and amygdala following mindfulness training.
theconversation.com/mindfulness-is-not-a-waste-of-time-it-can-help-treat-depression-59100
www.thescienceofpsychotherapy.com/prefrontal-cortex/#:%7E:text=The%20prefrontal%20cortex%20(PFC)%20is,making%2C%20and%20moderating%20social%20behaviour.
www.neuroscientificallychallenged.com/blog/know-your-brain-amygdala
pubmed.ncbi.nlm.nih.gov/27429096/

One study showed an enhanced density of grey matter – the tissue containing most of the brain’s cell bodies and a key component of the central nervous system – in the left hippocampus after eight weeks of training (in comparison to controls).
www.ncbi.nlm.nih.gov/pmc/articles/PMC3004979/
theconversation.com/mindfulness-is-not-a-waste-of-time-it-can-help-treat-depression-59100

Importantly, these are all regions that are impacted by the Covid-19 virus. Additionally, gamified cognitive training can also help improve attention, memory function, and increase motivation. Those who have persistent or severe mental health symptoms may require clinical evaluation by a psychologist or psychiatrist. In such cases, there are pharmacological and psychological treatments available, such as antidepressants or cognitive behavioral therapy.
www.frontiersin.org/articles/10.3389/fnbeh.2019.00002/full

Given that many countries haven’t completely come out of lockdown yet, and there are long delays in accessing healthcare, modern techniques such as wearable devices (activity trackers) and digital platforms (mobile apps), that can be easily integrated into daily life, are promising.

For example, activity trackers can monitor things like heart rate and sleeping patterns, indicating when the wearer may benefit from activities such as meditation, exercise, or extra sleep. There are also apps that can help you reduce your stress levels yourself.
edition.cnn.com/2014/09/09/health/brain-training-apps/index.html

These techniques are likely beneficial to everyone and may help us to better promote cognitive resilience and mental health – preparing us for future critical events such as global pandemics. As a society, we need to anticipate future challenges to our brain health, cognition, and wellbeing. We should be utilizing these techniques in schools to promote lifelong resilience starting at an early age.

This article was originally published on The Conversation by Barbara Jacquelyn Sahakian at the University of Cambridge, Christelle Langley at the University of Cambridge, and Deniz Vatansever at Fudan University. Read the original article here. theconversation.com/coronavirus-the-pandemic-is-changing-our-brains-here-are-the-remedies-144451

THE PANDEMIC IS CHANGING OUR BRAINS — HOW TO REVERSE THE EFF

Post by the Scribe on Apr 18, 2022 18:27:34 GMT

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