Survival before Behaviour - Deepstash

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5 neuroscience reality checks, from a top neuroscientist

Survival before Behaviour

Our survival instinct came before any reasoning or behavioral aspects.

The human body is firstly a tool of survival, with rationalizing and the 'mind' perspectives arriving much later.

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Our sleep-wake pattern

Our molecular clock inside our cells aims to keep us in sync with the sun

When we disregard this circadian rhythm, we are at a greater risk for illnesses such as diabetes, heart...

The lifestyle imbalance

Thomas Edison said that sleep is "a bad habit." Like Edison, we seem to think of sleep as an adversary and try to fight it at every turn. The average American sleeps less than the recommended seven hours per night, mostly due to electric lights, television, computers, and smartphones. 

However, we are ignoring the intricate journey we're designed to take when we sleep.

Stage One Sleep

When we fall asleep, the nearly 86 billion neurons in our brain starts to fire evenly and rhythmically. Our sensory receptors become muffled at the same time.

The first stage of shallow sleep lasts for about 5 minutes.

Moving Together In Sync
Moving Together In Sync
  • The synchronicity that is created while moving together in a simultaneous and coordinated manner results in strong social bonding, and well-being, according to new research.
  • Activi...
Spontaneous Synchronicity

We tend to sync ourselves with others without even realizing it. People wave or clap at the same time in concerts, rocking in sync. A study showed that if two people are in a rocking chair, they will automatically start rocking it in sync with each other.

This silent conversation of movement results in a special bonding and closeness towards each other. This results in people liking each other, being generous and cooperative towards each other, reducing racial or economical bias. This behaviour is even seen in small children.

Dancing Together Since Ancient Times

Early humans devised ways to be and stay together using the same techniques, albeit unconsciously.

Voices and body movements synced together during traditional folk dances in various cultures helped people bond together.

Spicy foods and "constrained risks"
Spicy foods and "constrained risks"
Eating spicy foods triggers a mild defense response in us. Our heart rates rise, our breathing increases, and our adrenaline starts to flow. We feel alive. It's the same thrill-seeking behavior exhibi...
Spicy foods-an acquired taste

Spicy foods have antifungal and antibacterial properties. In this light, humans have culturally and genetically evolved a preference for spicy foods because they protect us from microscopic assailants. When our taste buds encounter pungency, it's a signal to our brains that the food is cleaner.

Preference for spicy foods, like all foods, is the result of a complex interplay of genes, culture, memory, and personality,  a complex design that scientists are only now beginning to u...

Preference for spicy foods, like all foods, is the result of a complex interplay of genes, culture, memory, and personality,  a complex design that scientists are only now beginning to understand