The default mode network - Deepstash
The Psychology of Money

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The default mode network

The default mode network

In neuroscience, the default mode network (DMN), or anatomically the medial fronto-parietal network (M-FPN), is a large-scale brain network primarily composed of the medial prefrontal cortex and the posterior cingulate cortex and angular gyrus.

The DMN was discovered by Marcus Raichle and his crew at Washington University in St. Louis. It was called the default mode network because this is what our minds go to whenever they are not engaged in a specific task.

The DMN gets activated when our mind is wandering, thinking about things in the past or future, caught in repetitive thought 

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The lack of information

The lack of information

If information is lacking, our PFC plays out different versions of what might happen to help us choose the best path forward. 

It does this by running simulations based on previous events in our lives that are most similar.

For example, trucks and buses are similar enough to cars tha...

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The posterior cingulate cortex

A hub of the DMN called the posterior cingulate cortex (PCC) connects a bunch of other brain regions.

The PCC is interesting because it gets activated when people are shown pictures that are reminders of or triggers for their addictions.

For example, the PCC lights up with cocaine cue...

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645 reads

You must let the pain visit.

You must allow it to teach you.

You must not allow it overstay.

IJEOMA UMEBINYUO

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764 reads

Anxiety

Anxiety

Anxiety is born when our PFCs don’t have enough information to accurately predict the future

Without accurate information, our brains found it easy to spin stories of fear and dread, based on the latest reports that we had heard or read.

And because of the way our brains are wired, t...

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Anxiety hides in people’s habits

Anxiety hides in people’s habits

We all get anxious, it’s a part of life, yet how we deal with it is critical.

If we don’t know how anxiety shows up or why, we might get caught up in temporary distractions or short-term fixes that actually feed it, creating bad habits in the process (have you ever eaten ice cream or co...

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RANDY ARMSTRONG

Worrying does not take away tomorrow’s troubles. It takes away today’s peace.

RANDY ARMSTRONG

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When we face dangerous situations

When we face dangerous situations

There are different types of people depending on how they react when facing danger.

These people can be categorized into three different groups based on their reactions. These groups are fight, flight, and freeze.

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Mapping a habit

Mapping a habit

We map out how the pieces fit together and drive one another. Sometimes simply becoming aware of the habit patterns helps us step out of them, with significant results. At other times, we need a little hand-holding along the way.

How often have you struggled to force yourself to overcome ol...

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The prefrontal cortex

The prefrontal cortex

Sometime in the last million years, humans evolved a new layer on top of our more primitive survival brain; neuroscientists call this the prefrontal cortex (PFC). 

From an anatomical perspective, this “newer” brain region is located just behind our eyes and forehead.

Involved in creat...

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Anxiety and its close cousin

Anxiety and its close cousin

The anxiety and its close cousin, panic, are both born from fear. It's well known that fear’s main evolutionary function is helping us survive.

Fear is the oldest survival mechanism we’ve got. Fear teaches us to avoid dangerous situations in the future through a brain process called negati...

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Pay attention

Pay attention

Every time you pay attention to your actions, you become more aware of what you actually get from them. 

If you notice that potato chips make you feel crappy when you eat too many, you get less excited about eating the whole bag next time.

Not because you have to force yourself to no...

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The thinking trap

The thinking trap

The theory sounds—and is—simple. Yet this can easily fall into the thinking trap that was mentioned in the last chapter: you can know that something is bad for you, but thinking doesn’t change behaviors on its own. It isn’t strong enough.

Watch your thoughts. They become words. ...

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The Default Mode Network: A Key Brain Region

The Default Mode Network: A Key Brain Region

When we evoke our past or visualize our future, the default mode network region of the brain, which includes areas like the medial prefrontal cortex, are activated.

This is usually when we are relaxed and are letting our minds wander.

The Default Mode Network

The Default Mode Network

The default mode network is a group of brain regions connecting the cortex, the rational new part of the brain & the older part focused on emotions& memories. It is believed to play a large part in our ego, because it rests when we are focused and active when we are awake and not...

Doodle and Daydream

Have a moment with 'nothing to do'. Letting our minds wander without focusing on a specific goal, allows the brain's default mode network to take over and give some prefrontal cortex functions a rest.

Practice mind wandering by keeping your phone in your pocket. Sit alone for 10 minutes,...

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