Rewiring neural pathways
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Questions and Answers

Relying on old neural circuits, though efficient, always leads to positive emotional outcomes.

False (B)

The human cortex is unable to rewire old neural circuits with the introduction of new experiences and information.

False (B)

Establishing new neural pathways in adulthood is as effortless as it is during youth, requiring minimal repeated effort.

False (B)

Vicious cycles always involve external factors such as alcohol or drugs.

<p>False (B)</p> Signup and view all the answers

Each activation of a neural pathway hinders its ability to fire more easily in the future.

<p>False (B)</p> Signup and view all the answers

Consistently repeating new and diverse experiences is proposed as an effective method for constructing desired neural pathways.

<p>True (A)</p> Signup and view all the answers

Engaging in behaviors that trigger happy chemicals always leads to long-term happiness and well-being.

<p>False (B)</p> Signup and view all the answers

The primary challenge in stopping a vicious cycle is ignoring the urge to 'do something' and instead enduring the discomfort caused by cortisol.

<p>True (A)</p> Signup and view all the answers

One individual can passively develop another person's neural pathways through external means and without the other person's active participation.

<p>False (B)</p> Signup and view all the answers

When resisting an old habit, the feeling of threatening your survival actually indicates you are reinforcing the negative behavior.

<p>False (B)</p> Signup and view all the answers

The sensation of unhappiness serves exclusively negative purposes, lacking any essential role in survival or well-being.

<p>False (B)</p> Signup and view all the answers

Forming a new habit guarantees a constant stream of happy chemicals.

<p>False (B)</p> Signup and view all the answers

The pursuit of pleasant sensations is an inherent mechanism that drives survival by motivating behavior such as seeking nourishment.

<p>True (A)</p> Signup and view all the answers

Breaking a habit and establishing a new neural pathway requires consistently repeating a new thought or behavior for exactly 30 days.

<p>False (B)</p> Signup and view all the answers

As a 'mammal with a big cortex', humans' ability to imagine possibilities is solely beneficial, leading only to improved lives and positive feelings.

<p>False (B)</p> Signup and view all the answers

Stopping an unwanted behavior is like releasing the accelerator while simultaneously applying the brake to change direction.

<p>False (B)</p> Signup and view all the answers

Dopamine motivates you to overlook small details, helping you focus solely on immediate needs.

<p>False (B)</p> Signup and view all the answers

The dopamine pathways in your brain, which determine what excites you, are primarily shaped by conscious, word-based reasoning.

<p>False (B)</p> Signup and view all the answers

Dopamine is released only when a reward is received, not when it is expected.

<p>False (B)</p> Signup and view all the answers

Seeking 'more' arose recently in our modern society.

<p>False (B)</p> Signup and view all the answers

Archaeological findings showcasing materials from distant locations suggest that ancient peoples were driven by dopamine to seek resources and improve their lives.

<p>True (A)</p> Signup and view all the answers

Studying for a test, even if you don't consciously feel good, can be fueled by dopamine if you have associated studying with positive outcomes in the past.

<p>True (A)</p> Signup and view all the answers

The rewarding feeling of solving a math problem primarily stems from an increase in cortisol levels, which briefly relieves stress.

<p>False (B)</p> Signup and view all the answers

Athletes experience no dopamine stimulation from each incremental step toward their goals; dopamine is only released upon achieving the ultimate reward.

<p>False (B)</p> Signup and view all the answers

Monkeys in the experiment displayed anger when they received spinach after expecting juice, indicating that the loss of an expected reward can trigger a negative response.

<p>True (A)</p> Signup and view all the answers

The artificial dopamine surge from cocaine provides a more subtle thrill compared to natural rewards like finding food or completing a challenging task.

<p>False (B)</p> Signup and view all the answers

Initial dopamine research in the 1950s provided a complete understanding of how dopamine functions in reward and motivation.

<p>False (B)</p> Signup and view all the answers

The rat in the pleasure center experiment prioritized electrical stimulation over basic survival needs, suggesting that the anticipation of reward can override fundamental instincts.

<p>True (A)</p> Signup and view all the answers

During life-threatening situations, like a mother lifting a car to save her child, the verbal part of the brain plays a crucial role in consciously calculating the risks and benefits.

<p>False (B)</p> Signup and view all the answers

The intensity of a dopamine surge is directly proportional to the perceived magnitude of the potential reward.

<p>True (A)</p> Signup and view all the answers

Computer games offer rewards that directly satisfy real-world needs such as hunger, safety, and social connection.

<p>False (B)</p> Signup and view all the answers

Playing computer games can create a dopamine-driven pathway that conditions the brain to seek this activity as a way to alleviate negative feelings.

<p>True (A)</p> Signup and view all the answers

In species where parents eat offspring that aren't fast enough, this behavior serves as a method to conserve energy for future offspring, preventing energy loss to predators.

<p>True (A)</p> Signup and view all the answers

Fish exhibit prolonged parental care, ensuring the survival of their eggs until they hatch.

<p>False (B)</p> Signup and view all the answers

Mammals develop strong bonds with their offspring due to oxytocin receptors, which elicit positive emotions associated with parental care.

<p>True (A)</p> Signup and view all the answers

Reptiles, fish and plants are born without any survival knowledge and must learn from life experience.

<p>False (B)</p> Signup and view all the answers

Unlike reptiles, fish, and plants, mammals are born fully developed and self-sufficient, requiring no parental care.

<p>False (B)</p> Signup and view all the answers

Mammals' brains fully develop within the uterus or egg, ensuring they are born with all necessary survival skills.

<p>False (B)</p> Signup and view all the answers

Smaller brained animals rely less on prewired survival skills, making them more adaptable to ecological changes.

<p>False (B)</p> Signup and view all the answers

Warm-blooded, big-brained infants are easy to gestate, allowing the mother to produce large numbers of offspring.

<p>False (B)</p> Signup and view all the answers

Social pain evolved as a mechanism to alert individuals to threats against their physical well-being, similar to how physical pain functions for the body.

<p>False (B)</p> Signup and view all the answers

In a herd of wildebeest, each individual instinctively trusts that the group's collective movement guarantees personal safety, eliminating the need for individual assessment of risks like predators.

<p>False (B)</p> Signup and view all the answers

Humans, unlike herd animals, are immune to social complications due to their individuality and resistance to following the crowd.

<p>False (B)</p> Signup and view all the answers

Animals with smaller brains tend to continuously update their feelings about each other due to a larger capacity for social information processing.

<p>False (B)</p> Signup and view all the answers

Mirror neurons activate equally strongly whether an individual performs an action themselves or merely observes another performing the same action.

<p>False (B)</p> Signup and view all the answers

The primary function of mirror neurons is to enable individuals to mirror all observed actions, regardless of whether those actions involve rewards or threats.

<p>False (B)</p> Signup and view all the answers

Social pain serves as an evolutionary advantage by discouraging isolation and promoting group cohesion, which increases the likelihood of survival.

<p>True (A)</p> Signup and view all the answers

Mirror neurons were discovered intentionally through targeted experiments designed to understand social cognition in primates.

<p>False (B)</p> Signup and view all the answers

Flashcards

Neural Pathway Flexibility

The human cortex can create new neural pathways, but old ones are efficient and often used by default.

Building New Pathways

Repeatedly exposing your brain to new experiences strengthens neural pathways.

Importance of Unhappy Chemicals

Unpleasant chemicals signal threats, while pleasant chemicals signal opportunities.

Survival Engine

The brain is wired to seek good feelings and avoid bad feelings for survival.

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Neural Pathway Activation

Activating a neural pathway repeatedly makes it easier for electricity to flow through it.

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Enjoying Happy Chemicals

You can enjoy more happy chemicals if you blaze new trails through your jungle of neurons.

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Building a new circuit

Building a new circuit is as hard as slashing through a dense rainforst.

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Stimulating Happy Chemicals

Select new experiences that stimulate happy chemicals, and repeat them until they surge with electricity.

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Dopamine

A neurotransmitter that creates the expectation of reward, not necessarily pleasure itself.

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Spinach Experiment

Monkeys became angry when their expected juice reward was replaced with spinach, illustrating that dopamine creates expectations.

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Cocaine and Dopamine

Cocaine floods the brain with dopamine, creating an artificial sense of reward without actual accomplishment.

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Rat and Pleasure Center

An old study showcasing the rat pressing a lever for 'pleasure' until it died, which really highlights reward expectation.

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Dopamine Surge Size

Dopamine surges are proportional to the potential reward; larger potential rewards create larger dopamine surges.

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Dopamine and Instinct

The verbal brain/thinking is not required for dopamine to unleash energy needed for the job.

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Dopamine and Games

Computer games stimulate dopamine by rewarding points linked to social rewards.

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Dopamine and Expectation

Dopamine paves a pathway that tells you to expect good feelings, which is one way the brain relives bad feelings

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Vicious Cycles

Recurring patterns of behavior or thought that trigger both happy and unhappy brain chemicals.

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"Do Something" Feeling

The feeling of needing to act in response to stress or discomfort.

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The Power of Waiting

Waiting and allowing time for the brain to activate an alternative response instead of immediately reacting to cortisol.

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Virtuous Circle

A beneficial pattern of behavior, replaces a vicious cycle. Starts by resisting the initial 'Do Something' feeling.

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Pain of Resisting a Habit

The discomfort felt when resisting an old, ingrained habit.

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45-Day Habit Formation

Repeating a new thought or behavior daily helps form a new habit and break vicious cycles.

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Mammal with a Big Cortex

The ability to imagine things and potential solutions, which can lead to both positive change and negative feelings.

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"Better World" Illusion

The result of imagining a perfect world, or state, which can lead to feelings of inadequacy and discontent.

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Neural pathways & Dopamine

Dopamine reinforces pathways linked to past excitement, shaping current reward responses.

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The Quest for 'More'

Humans are wired to constantly seek ways to fulfill needs, even after basic needs are met.

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Dopamine and Effort

Dopamine motivates effort by linking activities (like studying) to expected material, social, or achievement-based rewards.

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Effort and Reward

The brain associates effort with potential rewards, driving activities like studying or training.

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Dopamine and Problem-Solving

Dopamine fuels problem-solving by rewarding the discovery of correct solutions.

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Persistence & Dopamine

The pursuit of the right answer triggers dopamine, even when initial attempts are wrong.

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Incremental Dopamine

Each step towards expected rewards stimulates dopamine, motivating continued effort in activities like athletic training.

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Fish Parenting

Hatching is not waited for. They pursue other interests as soon as eggs are fertile

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Plant Parenting

They send their seeds into the wind. They do not check to see if they grow.

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Mammal Parenting

They bond with their child because oxytocin receptors prepare us to feel good about it.

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Bird Parental Care

The molecular equivalent of oxytocin is present in some parental birds.

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Parental Attachment Revolution Benefits

Allows mammals to be born without survival skills and to learn from life experience.

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Small Brain's Survival Skills

Born with prewired survival skills adapted to a specific ecological niche.

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Big Brain's Survival Skills

Builds survival skills from life experience by forming new connections.

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Oxytocin's Role in Attachment

Attachment motivates them to be attached to their young.

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Social Pain

A form of distress that evolved when brains adapted to group living, signaling threats to social bonds.

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Social Brain

The brain mechanism that monitors social dynamics to promote survival within a group.

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Mirror Neurons

Neurons that activate both when performing an action and when observing the same action performed by another.

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Mirror Neuron Selectivity

Mirror neurons fire when observing rewards or threats experienced by others, not all actions.

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Stress of Social Isolation

Feeling distress and cortisol spikes when moving away from a group, driven by inherited survival mechanisms.

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Brain Size and Social Complexity

Animals with larger brains experience more complex social interactions.

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Individuals in Herds

Herd animals each seek individual safety while balancing group dynamics.

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Survival of the Social

Ignoring group cohesion led to being weeded out of the gene pool.

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Study Notes

  • Old neural circuits are efficient but can lead to unhappy chemicals.
  • The human cortex can adjust old circuits with new inputs.
  • You can enjoy more happy chemicals by creating new neural pathways.

Building New Pathways

  • Building new neural circuits in adulthood requires significant effort, like slashing through a dense rainforest.
  • New neural trails disappear if not consistently used.
  • Each time a neural pathway is activated, it fires more easily.
  • Repetition is key to developing new neural trails.
  • Choose new experiences that stimulate happy chemicals and repeat them.

Vicious Cycle of Seeking Happiness

  • Unhappy chemicals are essential for survival as they alert to threats.
  • Surviving involves seeking happy chemicals and avoiding unhappy ones.
  • Shortcuts to eliminate seeking and avoiding can create a vicious cycle.
  • Quest for good feelings is nature’s survival mechanism, like animals seeking food to relieve hunger.

Examples of Vicious Cycles

  • Vicious cycles involve external factors like alcohol, food, money, sex, and drugs, or internal thought habits like anger, seeking approval, escaping, thrill-seeking, and rescuing.
  • Behaviors that initially provide a sense of conquering a threat can develop into neural superhighways, but side effects can lead to unhappy chemicals.
  • This results in the pursuit of happy chemicals in ways that are expected to work, creating a cycle of both happiness and unhappiness.

Breaking Vicious Cycles

  • Resisting the urge to "do something" and tolerating cortisol can halt a vicious cycle.
  • Waiting allows the brain to activate an alternative circuit.
  • A virtuous circle begins when an alternative is chosen.
  • New circuits may initially feel awkward but become easier with repetition.
  • Resisting an old circuit might feel like a survival threat.
  • New habits can form in about 45 days with consistent repetition.
  • New choices may not instantly bring happiness but can eventually break the cycle.

The Mammalian Brain

  • Mammals' large cortexes let us imagine solutions and improve our lives, but also stimulate bad feelings.
  • Imagining a "better world" to feel better can backfire.
  • Monkeys reacted with rage when switched back to spinach after expecting juice.
  • After learning to expect things, losing them makes one mad.

Cocaine and Dopamine

  • Cocaine provides more dopamine than life, it gives the thrill of accomplishment without actually doing anything.
  • Natural rewards feel less exciting if the brain expects artificial jolts.
  • Rat experiments showed continuous stimulation of the "pleasure center;" dopamine caused the rat to ignore basic needs until death.
  • Dopamine is triggered by expectation of reward, not pleasure.

Dopamine and Survival

  • The size of potential reward is directly proportional to amount of dopamine released.
  • Mothers have been seen lifting cars when their child is pinned underneath.
  • The verbal brain isn't needed for a dopamine circuit to unleash energy
  • Computer games stimulate dopamine by linking points to social rewards.
  • Games activate foraging mechanisms and creates a pathway which makes you feel good.
  • Games can trick the mind into relieving bad feelings, though social rewards may be non existent.

Dopamine Exercise

  • Dopamine is the excitement felt when expecting a reward.
  • Hungry lions expect a reward when they see a gazelle and thirsty elephants when they see water.
  • Dopamine motivates scanning for relevant patterns and details to meet needs.
  • Finding the sought-after puzzle piece is pleasurable due to dopamine.
  • Early life experiences pave dopamine-triggering neural pathways.
  • To understand your dopamine, it's important to pay attention to excitement patterns and what others seek.

Quest for "More"

  • The urge for "more" is innate like how ancestors sought better ways to meet their needs.
  • Dopamine makes the quest feel good temporarily.
  • Brains connects effort and reward, may it be material, social or for relief.
  • Studying for a math test is fueled by dopamine, connecting math to rewards.
  • Solving math problems is a seek-and-find activity, giving a feel-good moment.
  • An athlete trains for long hours because they're stimulated by dopamine in each step.

Oxytocin

  • Parental attachment is key due to oxytocin receptors, leading mammals to be born without survival skills.
  • Mammals develop survival knowledge by experiencing the world.
  • Mammals need protection while the brain is developing because it wires to survive according to the world they live in.
  • Oxytocin in mammals enable us to feel good about parental care, but also makes us fragile.

Brain Size

  • Animals with smaller brains rely on prewired survival skills and quickly die if they leave that ecological niche.
  • Having a bigger brain helps adapt to survival by learning from experience.
  • A bigger brain creates a survival dilemma because newborns are easily eaten by predators.
  • Warm-blooded and big brained animals can only reproduce a few in their lifetime.
  • If they lose their young to predators, their genes are wiped out.

Oxytocin and Attachment

  • Oxytocin is important when we need to invest more in each child, because the more we invest, the more it will hurt if it dies.
  • Mammals protect newborns, oxytocin motivates attachment despite reproductive losses when predators snatch young mammals.

Social Pain

  • Group life led to social pain, it is a survival threat because natural selection created it to warn against threat to social bonds.
  • Herd animals always try to find a safe place.
  • Wildebeests seek greener pastures, but fear pain when reaching a river due to crocodiles.
  • Monitoring group dynamics is linked to survival.
  • Animals with bigger social brains undergo bigger social ups and downs.
  • Small brained animals size each other up once and never feel different.
  • Primates update feelings about each other because they have more mirror neurons.

Mirror Neurons

  • Primates have special neurons that facilitate social bonds.
  • Mirror neurons activate when an individual watches the behavior of others.
  • Monkey study found that the same neural pattern activated when a monkey watched a researcher pick up a peanut as when it picked it up itself.
  • Watching an action stimulates the neural trail same as executing the action.
  • Watching someone get a reward or face a threat activates the same neural trail, not all actions, and this occurs more weakly than if we faced them ourselves.
  • Repeatedly watching another person get a reward or face a threat makes neural connections.

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Description

The text discusses about rewiring neural pathways. Repeated experiences help construct neural pathways. Stopping a vicious cycle requires enduring discomfort caused by cortisol.

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