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Psychology · Foundations

Learning

9 min read 5 practice questions
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On this page 9 sections
  1. In 30 seconds
  2. Why this matters
  3. The college version
  4. Eli explains
  5. Worked example
  6. Key takeaway
  7. Quick check
  8. Study tools
  9. Sources & references

In 30 seconds

is a relatively permanent change in behavior or knowledge that results from experience — the working definition used by OpenStax Psychology 2e. Experience reshapes us in several ways: we form associations between events that occur together, we tune out repeated stimuli through , and we pick things up by watching others. Reflexes, , and fatigue are not learning, because they do not come from experience. And much learning happens with no deliberate attempt to learn at all.

Why this matters

Learning is the engine behind almost everything psychologists study and almost everything you can do. Academically, it is the foundation for memory, development, and the conditioning topics that follow in this course: without a clear definition of learning, those lessons have nothing to stand on. Practically, understanding learning explains everyday puzzles — why a noise you once noticed now fades into the background, why a practiced skill returns after a gap, why a tired student fails to show what they know. And it matters honestly: knowing that learning is not always deliberate changes how you treat your own habits, because experience is reshaping you whether or not you signed up for it.

The college version

What learning is

Psychologists use a deliberately strict working definition: learning is a relatively permanent change in behavior or knowledge that results from experience. OpenStax Psychology 2e gives exactly this definition in the opening of its Learning chapter, and the APA Dictionary of Psychology points the same way, describing learning as the acquisition of novel information, behaviors, or abilities after practice, observation, or other experiences, shown by a change in behavior, knowledge, or brain function. Two phrases in the definition do real work. Relatively permanent separates learning from passing states like tiredness. Results from experience separates learning from everything we are born with or that unfolds on a biological timetable. The definition also lets learning show up as knowledge — you can learn something that never shows up in your behavior yet, and it still counts.

Three ways experience changes us

Psychologists sort learning into broad types. is forming connections between events that occur together in the environment; the APA Dictionary describes it as acquiring information through bonds or connections between elements. Original example: after two weeks of morning shifts, Lena reaches for the coffee filter the moment she hears the grinder start in the back room, because the two events have co-occurred so often. is a change in response to a single repeated stimulus, with no association formed; its two major forms are habituation and . Original example: startled by a sudden thunderclap, Kim jumps at every sharp noise for the rest of the afternoon — her responsiveness has been heightened, not connected to anything. is acquiring information, skills, or behavior by watching others. Original example: two-year-old Mateo learns to wave goodbye by watching his grandmother, never from a lesson. Classical conditioning, operant conditioning, and observational learning each get a full lesson of their own elsewhere in this course; here they are the map of the territory.

Habituation: tuning out the world

Habituation is the diminished effectiveness of a stimulus in eliciting a response, following repeated exposure — the APA Dictionary's definition. In plain terms, you tune out what repeats. Original example: Priya moves into an apartment beside a freight line. On the first night, the 2 a.m. train shakes her awake and she lies listening until it passes. By the second week she stirs; by the third she sleeps through it entirely. The train is not quieter. Priya's response to it is weaker. Habituation is a form of non-associative learning — a single stimulus, repeated, changes the organism's response — and it is automatic. That automatic quality is exactly why it belongs in a lesson about learning: it is a lasting change in behavior produced by experience, even though nobody intended it.

What is not learning

Keeping the definition sharp means naming the look-alikes. Reflexes are automatic, unlearned, relatively fixed responses to stimuli — the APA Dictionary's terms — such as the knee jerk when a doctor taps your tendon. They are innate: no experience produced them, so no learning occurred. Maturation is the biological process by which an organism becomes functional or fully developed: a baby sits up and walks on a built-in timetable, not because someone taught those milestones. Fatigue is a state of tiredness and diminished functioning, a normal, transient response to exertion, stress, boredom, or inadequate sleep. Fatigue can look like forgetting: after a sleepless night, Rosa blanks on vocabulary she knew perfectly the day before. But the words were learned; tiredness only suppressed their retrieval. The lesson: a change in behavior is not automatically learning. The change must come from experience and must be relatively lasting.

The honest note and the honest framing

One honest note: learning is not always deliberate. The APA Dictionary observes that learning involves consciously or nonconsciously attending to incoming information, and OpenStax notes that complex learning involves a mix of conscious and unconscious processes. Habituation, sensitization, and much observational learning happen without any intention to learn — which is why habits, accents, and moods are quietly shaped by experience whether or not a textbook is involved. The honest framing: learning is the mind's way of becoming. Every experience that changes behavior, knowledge, or brain function is a small rewrite of who you are. That is not a metaphor. The APA Dictionary defines as the nervous system's capacity to change with experience or environmental stimulation, and its entry for learning names brain function among the places learning shows up. Learning changes the brain; the brain is where the becoming happens.

Eli, the EliExplains learning guide

Eli explains

The same idea, in plain words

Explain it like I’m 10

Learning is how experience leaves a mark on you. When something you do, know, or feel changes because of what you have been through — and the change sticks — that is learning. Psychologists define it precisely: a relatively permanent change in behavior or knowledge that results from experience. The definition has two traps built in. The change must come from experience: reflexes and growing up are not learning. And the change must last: being tired is not learning. Experience reshapes you in three broad ways: you connect events that keep happening together, you tune out what repeats, and you copy what you watch. Most of this happens without a plan. You never decide to learn the sound of your own street; you just stop noticing it. That automatic rewiring is still learning, because experience did it.

Picture it like this

Think of a field with no path. The first time you cross it, you push through tall grass and pick your way around rocks. Cross the same line tomorrow, and a faint track shows where you went. Cross it every day for a month, and a path has formed — one you can walk in the dark. The field was changed by your crossings, and your crossings were made easier by the change. That is learning: experience wears a route into you, and the route changes how the next crossing goes.

Where the picture stops working

The field does not choose the path — you do, or your habits do. A single dramatic crossing can also cut a route instantly, while much real learning is gradual. And paths fade when abandoned, while some learned changes are remarkably durable; forgetting is a separate lesson's topic. The analogy also makes learning sound purely physical, but learning can be purely mental — a new idea with no behavior attached still counts.

Worked example

When Daniel starts a new job at a distribution center, he is a small study in learning. On day one, every crackle of the overhead intercom makes him flinch; by week three he works through the announcements without a pause — habituation tuning out a repeated stimulus. He also notices that whenever a scanner beeps twice, a pick list appears at his station two minutes later, so he starts glancing at the screen the instant he hears the double beep — an association between events that occur together. The tricky picking routes he learns by shadowing Marta, the veteran picker, watching her moves before trying them himself — observational learning. None of it felt like studying. Yet by the end of the month his behavior, his knowledge of the warehouse, and underneath it all his brain had been changed by experience. That is the definition of learning, applied.

Key takeaway

Learning is a relatively permanent change in behavior or knowledge that results from experience — it reshapes what we do, what we know, and how our brains are wired, and much of it happens without us trying.

Quick check

3 questions here, of 5 in this lesson’s practice set. Answers stay hidden until you check.

Question 1 of 3foundational

A psychology instructor asks for the working definition of learning used by OpenStax Psychology 2e. Which answer matches it?

Choose an answer, then check it.
Question 2 of 3foundational

Which type of learning involves forming connections between events that occur together in the environment?

Choose an answer, then check it.
Question 3 of 3intermediate

Nia moves into an apartment next to a busy fire station. The first night, every siren jolts her awake; six weeks later she sleeps through them without stirring. Which term best describes what happened to Nia's response?

Choose an answer, then check it.
Practice all 5

Keep learning

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Practice this lesson
Study tools & related lessonsYou’ll learn to · Common mistakes · Easily confused · Key vocabulary · Related

You’ll learn to

  • Define learning as a relatively permanent change in behavior or knowledge that results from experience.
  • Distinguish associative, non-associative, and observational learning, using an original example of each.
  • Explain habituation and give an original example of tuning out a repeated stimulus.
  • Identify reflexes, maturation, and fatigue as changes that are not learning, and explain why.
  • Explain how learning changes the brain, and analyze why learning does not have to be deliberate.

Common mistakes

  • "If I was not trying to learn, nothing was learned."

    Much learning is automatic. Habituation, sensitization, and most observational learning happen without intention; the APA Dictionary notes that learning can be conscious or nonconscious.

  • "A reflex is just a very well-learned behavior."

    Reflexes are innate, unlearned responses — no experience produced them. Practice can make learned skills automatic, but automaticity is not the same as being born with the response.

  • "My toddler cannot walk at eleven months, so she is not learning."

    Walking readiness is driven by maturation, a biological timetable; maturation is not learning. The distinction keeps 'learning' from meaning any change at all.

  • "I studied but bombed the exam, so I never learned the material."

    Fatigue is a temporary state of diminished functioning, not a loss of learning. The knowledge can be intact while tiredness suppresses retrieval.

Easily confused

Associative learning vs. non-associative learning

Associative learning connects two events that occur together — a double beep and an incoming order. Non-associative learning changes the response to one repeated stimulus — the siren that stops waking you — with no connection formed.

Habituation vs. sensitization

Both are non-associative learning, but they move in opposite directions: habituation weakens a response as a stimulus repeats, while sensitization strengthens responsiveness after strong stimulation. One tunes you out; the other keys you up.

Reflexes vs. learned behaviors

Reflexes are automatic, unlearned responses present without any experience; learned behaviors come from experience and are relatively permanent. The knee jerk happens with nothing to have produced it.

Key vocabulary

learning
A relatively permanent change in behavior or knowledge that results from experience.
associative learning
Acquiring information by forming bonds or connections between events that occur together in the environment.
non-associative learning
A change in response to a single repeated stimulus, with no association formed; its major forms are habituation and sensitization.
habituation
The diminished ability of a repeated stimulus to elicit a response after repeated exposure.
sensitization
A form of non-associative learning in which an organism becomes more responsive after exposure to strong stimulation.
observational learning
Acquiring information, skills, or behavior by watching the performance of others.
reflex
An automatic, unlearned, relatively fixed response to a stimulus that requires no conscious effort.
maturation
The biological processes by which an organism becomes functional or fully developed.
neural plasticity
The ability of the nervous system to change in response to experience or environmental stimulation.

Sources & references

  1. Learning — APA Dictionary of Psychology — American Psychological Association
  2. Associative learning — APA Dictionary of Psychology — American Psychological Association
  3. Nonassociative learning — APA Dictionary of Psychology — American Psychological Association
  4. Habituation — APA Dictionary of Psychology — American Psychological Association
  5. Sensitization — APA Dictionary of Psychology — American Psychological Association
  6. Observational learning — APA Dictionary of Psychology — American Psychological Association
  7. Reflex — APA Dictionary of Psychology — American Psychological Association
  8. Maturation — APA Dictionary of Psychology — American Psychological Association
  9. Fatigue — APA Dictionary of Psychology — American Psychological Association
  10. APA Dictionary of Psychology — neural plasticity — American Psychological Association (APA Dictionary of Psychology)
  11. Psychology 2e, 6.1 What Is Learning? — OpenStax — OpenStax, Rice University

EliExplains lessons are original prose written from the open, credible references above. See Copyright & Licensing.

Researched 2026-08-22

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