Information Filtering in the Brain

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Questions and Answers

What is a primary reason our brains filter out most information?

  • To improve multitasking abilities
  • To enhance creativity
  • To avoid information overload (correct)
  • To increase sensory input

Why does the brain prioritize certain pieces of information?

  • Because that information is likely to be useful (correct)
  • To make things harder to remember
  • To confuse us
  • Because all information is equally important

Which factor contributes to the necessity of filtering information?

  • An increase in mental capacity
  • A surplus of complex information (correct)
  • A lack of sensory input
  • A desire to be ignorant

What simple trick does the brain use to filter information?

<p>Prioritization based on usefulness (C)</p> Signup and view all the answers

According to the material, acting fast requires:

<p>Filtering information quickly (A)</p> Signup and view all the answers

Information is filtered to help with what aspect of memory?

<p>Figuring out what is important to remember for later (A)</p> Signup and view all the answers

A symptom of having too much unfiltered information is:

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

What is a consequence of failing to filter out irrelevant information?

<p>Cognitive overload (C)</p> Signup and view all the answers

What simple trick does our brain use to filter info?

<p>Prioritizing based on usefulness. (D)</p> Signup and view all the answers

Why is filtering information useful?

<p>There is too much information available. (A)</p> Signup and view all the answers

What is a primary reason for filtering information?

<p>To manage information overload (D)</p> Signup and view all the answers

How does the brain decide what information to prioritize?

<p>By focusing on potentially useful information (B)</p> Signup and view all the answers

What does the brain tend to notice first?

<p>Information already in memory (B)</p> Signup and view all the answers

What is a simple way the brain filters information?

<p>By noticing repeated information (C)</p> Signup and view all the answers

Why is it important to filter out information?

<p>To speed up decision-making (B)</p> Signup and view all the answers

What kind of information is likely to be noticed?

<p>Information recently loaded in memory (A)</p> Signup and view all the answers

Why does the brain prioritize information already in memory?

<p>Because it is more likely to be useful (A)</p> Signup and view all the answers

What is the impact of having too much information?

<p>Information overload (D)</p> Signup and view all the answers

Why is filtering essential in a world with abundant information?

<p>Because it isn't optional for us humans (B)</p> Signup and view all the answers

What memory concept relates to noticing things primed in memory?

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

What is a common characteristic of information that captures our attention?

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

Why do our brains tend to skip over ordinary information?

<p>To conserve cognitive resources (A)</p> Signup and view all the answers

What type of information is more likely to be noticed by the brain?

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

Why do we weigh the direction of change (positive or negative) more than the actual new value?

<p>To quickly assess potential threats or rewards (A)</p> Signup and view all the answers

What is a common bias we tend to exhibit when evaluating ourselves and others?

<p>We notice flaws in others more easily than in ourselves (B)</p> Signup and view all the answers

What does the brain do with the reduced stream of information it receives?

<p>Connects the dots and fills in the gaps (A)</p> Signup and view all the answers

What is the purpose of updating our mental models of the world?

<p>To make sense of the world and survive (C)</p> Signup and view all the answers

What kind of things stand out more than unfunny ones?

<p>Bizarre Things (C)</p> Signup and view all the answers

What do our brains do to the importance of things that are unusual or surprising?

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

What do we tend to skip over?

<p>Expected information (D)</p> Signup and view all the answers

What is a key reason our brains filter out a lot of information?

<p>To prevent information overload. (A)</p> Signup and view all the answers

What does the brain use for selecting useful information?

<p>Simple tricks. (B)</p> Signup and view all the answers

When we have incomplete information the brain fills in the gaps with?

<p>Best guesses or trusted sources. (C)</p> Signup and view all the answers

What do we often forget when our brain fills in gaps in information?

<p>Which parts were real and filled in. (D)</p> Signup and view all the answers

How do we tend to view people we like?

<p>Better than they actually are. (D)</p> Signup and view all the answers

What is one way our brains simplify probabilities and numbers?

<p>To make them easier to think about. (B)</p> Signup and view all the answers

What do we assume when we think we know what others are thinking?

<p>They know what we know. (B)</p> Signup and view all the answers

What do we project onto the past and future?

<p>Our current mindset and assumptions. (B)</p> Signup and view all the answers

What is essential for acting fast in uncertain situations?

<p>Confidence. (D)</p> Signup and view all the answers

What do we tend to favor when focusing on something?

<p>The immediate and relatable. (C)</p> Signup and view all the answers

What motivates us to complete tasks we've invested time in?

<p>Already invested time and energy. (C)</p> Signup and view all the answers

What do we try to preserve when making decisions?

<p>Autonomy and status. (C)</p> Signup and view all the answers

What kind of options do we favor?

<p>Simple and complete. (B)</p> Signup and view all the answers

What do we need to do with information to use it in the future?

<p>Keep the bits likely to prove useful. (A)</p> Signup and view all the answers

What happens to memories after the fact?

<p>They can get stronger or details get swapped. (D)</p> Signup and view all the answers

What do we discard to form generalities?

<p>Specifics. (D)</p> Signup and view all the answers

What do we pick out to represent the whole?

<p>A few key items. (B)</p> Signup and view all the answers

How does the brain encode information?

<p>It only encodes information deemed important at the time. (A)</p> Signup and view all the answers

What is the purpose of understanding our cognitive biases?

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What does the brain use to reconstruct the world?

<p>A tiny sliver of information combined with filling in the gaps (A)</p> Signup and view all the answers

What is a common way our brains fill in gaps in information?

<p>By using stereotypes, generalities, and past experiences (B)</p> Signup and view all the answers

What happens after the brain fills in missing information?

<p>We often forget which parts were real and which were filled in (D)</p> Signup and view all the answers

How do we generally perceive things that we are fond of?

<p>As better than things we aren’t familiar with (C)</p> Signup and view all the answers

Why do we simplify numbers and probabilities?

<p>To make them easier to think about (B)</p> Signup and view all the answers

What is a common assumption we make about what other people are thinking?

<p>That we know what they are thinking (C)</p> Signup and view all the answers

What do we often project onto our understanding of the past and future?

<p>Our current mindset and assumptions (C)</p> Signup and view all the answers

Why is the ability to act fast important?

<p>To improve the chances of survival (D)</p> Signup and view all the answers

What motivates us to complete tasks we've already started?

<p>The time and energy we have already invested (A)</p> Signup and view all the answers

What is a key motivation in our decision-making to avoid mistakes?

<p>To preserve our status and avoid irreversible decisions (C)</p> Signup and view all the answers

What kind of options do we generally prefer?

<p>Options that appear simple and have complete information (D)</p> Signup and view all the answers

Why do we need to constantly make bets and trade-offs around what we remember and forget?

<p>Because there is too much information to keep everything (D)</p> Signup and view all the answers

What happens to memories during the recall process?

<p>They can be edited, reinforced, or accidentally altered. (D)</p> Signup and view all the answers

Why do we discard specific details to form generalities?

<p>Out of necessity to manage large amounts of information (A)</p> Signup and view all the answers

What do we often pick out to represent a whole event or list?

<p>A few key elements (A)</p> Signup and view all the answers

How does the way we experience memories affect how they are stored?

<p>Our brains only encode information deemed important at the time of the event (A)</p> Signup and view all the answers

What is important to remember about cognitive biases?

<p>They are tools, useful in some situations and harmful in others (C)</p> Signup and view all the answers

If the brain deems new experiences/information unimportant at the time, what may happen?

<p>The brain will likely not encode that information. (B)</p> Signup and view all the answers

What is the likely result of implicit associations, stereotypes, and prejudice?

<p>Bad consequences from our cognitive biases (D)</p> Signup and view all the answers

Why are cognitive biases particularly essential for humans?

<p>They are the only tools we have to process the universe with (A)</p> Signup and view all the answers

What is a direct effect of discarding specific details from an event or list?

<p>Forming generalization (C)</p> Signup and view all the answers

When focused and facing a lot of information, what might we relate to most?

<p>The immediate and relatable (A)</p> Signup and view all the answers

In situations with little certainty, what mindset is valuable?

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

What can implicit stereotypes and prejudice often lead to?

<p>Harmful consquences (C)</p> Signup and view all the answers

What does the brain often rely on with filling partial information?

<p>Best Guesses (C)</p> Signup and view all the answers

When attempting to preserve and avoid mistakes, what do we try to maintain?

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

Without the ability to do what quickly, humans might have perished long ago?

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

Why do we favor options that appear simple or have more detail?

<p>To make quick judgements (D)</p> Signup and view all the answers

Flashcards

Information Overload

Filtering out most information due to an excess of data.

Brain's Filtering Trick

The brain prioritizes information that seems useful.

Information Processing Challenges

Acting quickly and deciding what to remember later amidst too much information.

Priming in Memory

The brain favors paying attention to and recalling information that is easily accessible or frequently encountered.

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Frequency Illusion

The tendency to notice things that have been recently brought to mind.

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Availability Heuristic

A cognitive bias where recently encountered or easily recalled information influences judgments.

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Mere Exposure Effect

The effect where repeated exposure to a stimulus increases liking for it.

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Attentional Bias

The tendency to pay attention to things that align with one's existing beliefs.

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Bizarreness Effect

The tendency to emphasize unusual or unexpected information.

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Humor Effect

The phenomenon where humor enhances memorability.

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Bias Blind Spot

The bias of noticing others' flaws more readily than one's own.

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Change Bias

The impact of changes, positive or negative, on our perception of value.

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Sense-Making

The brain connects the dots and fills gaps using existing knowledge.

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Directional Change Bias

The tendency to weigh new information based on the direction of change.

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Filling-in Characteristics

Filling in gaps in knowledge with assumptions.

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Favoring Familiarity

Viewing familiar things as better.

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Simplifying Probabilities

Oversimplifying probabilities to make things easier to process.

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Assuming Shared Thoughts

Believing everyone shares your thoughts.

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Projecting Mindset

Projecting current mindset onto past/future events.

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Acting Despite Uncertainty

Acting with confidence, despite uncertainty.

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Favoring the Immediate

Valuing immediate and relatable things more.

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Continuing Current Investments

Continuing investments due to prior commitments.

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Avoiding Irreversible Consequences

Choosing options that preserve autonomy or avoid irreversible consequences.

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Choosing Simplicity

Favoring simple options that are easy to comprehend.

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Discarding Specifics

Discarding specific details to form generalities.

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Editing Memories

Memories change during recall.

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Stored Memories Differently

Storing memories differently based on experience.

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Study Notes

  • Information overload forces the brain to filter almost all information.
  • The brain uses simple methods to identify and prioritize potentially useful information.
  • Filtering is influenced by information overload, lack of meaning, the need for rapid decision-making, and determining what to retain.
  • The brain notices information already primed in memory or frequently repeated.
  • Brains are more likely to notice information related to recently loaded memory content.
  • Related concepts include availability heuristic, attentional bias, illusory truth effect, mere exposure effect, context effect, cue-dependent forgetting, mood-congruent memory bias, frequency illusion, Baader-Meinhof Phenomenon, and empathy gap.
  • Elements that are bizarre, funny, visually striking, or anthropomorphic are more noticeable.
  • Unusual or surprising information tends to be perceived as more important.
  • Ordinary or expected information is often overlooked
  • Related concepts include bizarreness effect, humor effect, Von Restorff effect, negativity bias, publication bias, and omission bias.
  • Changes are easily noticed, and their significance is usually weighed by the direction of the change (positive or negative).
  • Related concepts include anchoring, contrast effect, focusing effect, framing effect, Weber–Fechner law, and the distinction bias.
  • Flaws are more easily noticed in others than in ourselves.
  • Related concepts include confirmation bias, congruence bias, post-purchase rationalization, choice-supportive bias, selective perception, observer-expectancy effect, experimenter’s bias, observer effect, expectation bias, ostrich effect, subjective validation, continued influence effect, Semmelweis reflex, bucket error, and the law of narrative gravity.
  • The world is confusing, leading to seeing only a small part of it.
  • The reduced information stream is interpreted by connecting the dots, filling gaps, and updating mental models.
  • Confabulation, clustering illusion, insensitivity to sample size, neglect of probability, anecdotal fallacy, illusion of validity, masked man fallacy, recency illusion, gambler’s fallacy, hot-hand fallacy, illusory correlation, pareidolia, and anthropomorphism are related to how the brain reconstructs the world to feel complete.
  • When partial information is available, the brain fills in gaps with best guesses, forgetting which parts were real.
  • Related concepts include group attribution error, ultimate attribution error, stereotyping, essentialism, functional fixedness, moral credential effect, just-world hypothesis, argument from fallacy, authority bias, automation bias, bandwagon effect, and placebo effect.
  • Familiar or favored things and people are often imagined as better, with built-in assumptions about quality.
  • Related concepts include halo effect, in-group bias, out-group homogeneity bias, cross-race effect, cheerleader effect, well-traveled road effect, not invented here, reactive devaluation, and positivity effect.
  • Probabilities and numbers are simplified to make them easier to think about.
  • Related concepts include mental accounting, normalcy bias, appeal to probability fallacy, base rate fallacy, Murphy’s law, Hofstadter’s law, subadditivity effect, survivorship bias, zero sum bias, denomination effect, magic number 7+-2, swimmer’s body illusion, and money illusion, conservatism.
  • There is a tendency to believe one knows what others are thinking, modeling their minds after one's own.
  • Related concepts include curse of knowledge, illusion of transparency, spotlight effect, streetlight effect, illusion of external agency, and illusion of asymmetric insight, extrinsic incentive error.
  • Current mindsets and assumptions are projected onto the past and future, magnified by an inability to accurately imagine the pace of change.
  • Related concepts include hindsight bias, outcome bias, moral luck, declinism, telescoping effect, rosy retrospection, impact bias, pessimism bias, planning fallacy, time-saving bias, pro-innovation bias, projection bias, restraint bias, and self-consistency bias.
  • The need to act fast in the face of uncertainty requires confidence, often overconfidence, to assess situations, make decisions, and predict outcomes.
  • Related concepts include overconfidence effect, egocentric bias, optimism bias, social desirability bias, third-person effect, Forer effect, Barnum effect, illusion of control, false consensus effect, Dunning-Kruger effect, hard-easy effect, illusory superiority, Lake Wobegone effect, self-serving bias, actor-observer bias, fundamental attribution error, defensive attribution hypothesis, trait ascription bias, effort justification, risk compensation, Peltzman effect, and armchair fallacy.
  • Immediate, relatable things are favored over the delayed and distant.
  • Related concepts include hyperbolic discounting, appeal to novelty, and identifiable victim effect.
  • There is motivation to complete things already invested in, similar to Newton’s first law of motion.
  • Related concepts include sunk cost fallacy, irrational escalation, escalation of commitment, loss aversion, IKEA effect, processing difficulty effect, generation effect, zero-risk bias, disposition effect, unit bias, pseudocertainty effect, and endowment effect, backfire effect.
  • Preserving autonomy and status in a group, and avoiding irreversible decisions are key to avoiding mistakes.
  • Related concepts include system justification, reactance, reverse psychology, decoy effect, social comparison bias, status quo bias, Abilene paradox, law of the instrument, law of the hammer, Maslow’s hammer, golden hammer, Chesterton’s fence, and hippo problem.
  • Options that appear simple or have more complete information are favored over complex, ambiguous options.
  • Related concepts include ambiguity bias, information bias, belief bias, rhyme as reason effect, bike-shedding effect, law of triviality, Delmore effect, conjunction fallacy, Occam’s razor, less-is-better effect, and Sapir-Whorf-Korzybski hypothesis.
  • Generalizations are preferred over specifics because they take up less space, and a few standout items are saved while the rest are discarded.
  • Memories are edited and reinforced, with details sometimes accidentally swapped or injected.
  • Related concepts include misattribution of memory, source confusion, cryptomnesia, false memory, suggestibility, and spacing effect.
  • Specifics are discarded to form generalities, but implicit associations, stereotypes, and prejudice can result in bad consequences.
  • Events and lists are reduced to key elements, with a few items picked to represent the whole.
  • Related concepts include peak–end rule, leveling and sharpening, misinformation effect, duration neglect, serial recall effect, list-length effect, modality effect, memory inhibition, part-list cueing effect, primacy effect, recency effect, and serial position effect, suffix effect.
  • Related concepts include implicit associations, implicit stereotypes, stereotypical bias, and fading affect bias, prejudice.
  • Memories are stored differently based on how they were experienced, with encoding affected by circumstances beyond the information's value.
  • Related concepts include picture superiority effect, levels of processing effect, testing effect, absent-mindedness, next-in-line effect, tip of the tongue phenomenon, Google effect, and self-relevance effect.
  • The use of the availability heuristic (specifically, the Baader-Meinhof phenomenon) can increase the awareness of biases.
  • The spacing effect can help underline thought patterns, keeping the bias blind spot and naïve realism in check.
  • Accepting that we are permanently biased, but that there’s room for improvement, confirmation bias will help find evidence that supports this, which will ultimately lead to better understanding ourselves.
  • Cognitive biases are tools that are useful in the right contexts, and harmful in others.

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