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One drawing, a vase or two faces

An ambiguous image lets different regions become foreground or background, showing how perception organizes the same visual material in more than one way.

3–5 min

Questions you could explore

  • Which boundary belongs to the figure in each interpretation?
  • What does the image demonstrate without explaining every brain mechanism behind it?

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Psychology

Can an option nobody wants change what people choose?

Choosing between two offers can feel different when a third appears beside them. A decoy is less attractive than one option on the relevant features, but its presence does not reliably change every decision.

5–7 min

Can an option nobody wants change what people choose?

Psychology5–7 minChoosing between two offers can feel different when a third appears beside them. A decoy is less attractive than one option on the relevant features, but its presence does not reliably change every decision.

How can you miss something that is right in front of you?

Psychology3–5 minLooking at a scene does not mean noticing everything in it. When attention is occupied by one task, something plainly visible can go unreported, a pattern called inattentional blindness.

Psychology

When a question reshapes a memory

Research on eyewitness reports separates what someone originally saw from information introduced afterward, making wording part of the evidence problem.

3–7 min

When a question reshapes a memory

Psychology3–7 minResearch on eyewitness reports separates what someone originally saw from information introduced afterward, making wording part of the evidence problem.

One drawing, a vase or two faces | Speech Topic | speaking.app