Why Talking to Yourself Is a Cognitive Tool

You’re in the grocery store, quietly muttering your list out loud. Someone gives you a look. You stop, embarrassed.

You’re working through a problem at your desk and catch yourself saying the steps out loud. You glance around to make sure no one heard.

Talking to yourself has a reputation problem. It’s associated with being odd or “losing it.”

Here’s the thing: the science disagrees.

The Science of Private Speech

Psychologist Lev Vygotsky studied child development and observed something interesting: children naturally talk to themselves while working on complex tasks. They narrate what they’re doing. They give themselves instructions.

Vygotsky didn’t see this as immaturity to be outgrown. He saw it as a cognitive tool—a way of using language to organize thought.

He called it “private speech.”

As we grow up, society teaches us it’s weird. The private speech doesn’t disappear; it goes internal. But for some people, and in some situations, internal processing isn’t as effective as external.

What Happens When You Think Out Loud

Speaking activates different brain regions than silent thinking.

When you keep thoughts internal, you’re running a single-channel process.

When you speak, you’re running multiple channels:

• Motor speech areas physically forming words
• Auditory processing hearing what you said
• Language centers translating feeling into precise language

This creates an “auditory feedback loop.” You hear yourself think. That hearing adds a processing layer that purely internal thought doesn’t have.

There’s also the concreteness factor. Internal thoughts can be vague, half-formed. When you speak them, you give them shape. Words require commitment.

Who Still Talks to Themselves

Despite the stigma, plenty of successful people talk to themselves.

Athletes. Tennis players muttering between points. Golfers talking through their swing. Sports psychology has embraced self-talk as a performance tool.

Surgeons and pilots. High-stakes professions with checklists they verbalize. Speaking the steps ensures nothing is missed.

Scientists and mathematicians. Creative problem-solving often happens out loud. Einstein was famous for talking to himself.

CEOs and executives. Many leaders use verbal processing for decisions, often dictating notes rather than writing.

These aren’t people who couldn’t control the behavior. They’re people who recognize its value.

Types of Productive Self-Talk

Research identifies different types, each with benefits:

Instructional self-talk. Talking yourself through tasks. “First I’ll do this, then this.” Common when learning new skills.

Motivational self-talk. Encouraging yourself. “You can do this.” Athletes use this most obviously.

Emotional processing. Naming feelings and talking through difficult emotions. Research shows this reduces amygdala activity by ~50%.

Decision-making out loud. Speaking options to hear them. Often, you’ll hear which one resonates before you’ve consciously decided.

Rehearsal and preparation. Practicing conversations or presentations before you need to deliver them.

All legitimate cognitive tools.

Verbal Processors Need This More

30-40% of people are what researchers call external processors. Their thoughts stay “dim and fuzzy until expressed verbally.”

For these people, thinking happens through talking. Silent reflection isn’t as effective.

If you’re in this category, forcing yourself to process silently is like asking a visual thinker to stop using images.

There’s also research on emotional processing. Speaking emotions aloud reduces their intensity more than silently thinking the same words.

Verbal processing isn’t just about cognition—it’s about emotional regulation too.

Reclaiming the Practice

If you benefit from talking to yourself, here’s the reframe: you’re using a cognitive tool that research supports.

Finding privacy:

You don’t have to talk to yourself in public. But you might:

• Use your commute as processing time
• Take walks for verbal thinking
• Close your office door for important thinking

Privacy isn’t about shame. It’s about creating conditions to use your best processing method.

Recording for later:

The problem with spoken thoughts is they evaporate. If you want to capture insights, record yourself. Voice memos. Voice journaling apps. Even a quick note afterward.

The value is often in the speaking itself, but sometimes you want to keep what emerged.

Permission to Be a Verbal Processor

Maybe you’ve felt like something was wrong because you need to talk to think.

Maybe you’ve been embarrassed about talking to yourself.

Maybe you’ve forced silent processing because that’s what “normal people” do.

This is your permission to reclaim verbal processing as legitimate.

It’s not a sign of instability. It’s not something to outgrow. It’s a way some brains work better.

The stigma is social. The science is clear.

Talk to yourself. Think out loud. Use your voice as the cognitive tool it is.