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Key Points

5 points
1

Mapped gene activity in over 6 million brain cells.

2

Studied brains from people aged from babies to over 100 years.

3

Found common gene patterns in several brain disorders.

4

Identified age around 24 when brain cells become more stable.

5

Provides a reference to tell normal aging apart from disease changes.

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Summary

The front region, called the prefrontal cortex, helps us plan, make choices, and manage emotions.

By comparing many brain samples, researchers saw how gene activity changes from childhood to old age.

The map reveals similarities between diseases like Alzheimer’s and Parkinson’s, giving clues for new medicines.

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New Words to Learn

11 words
prefrontal cortex
the front part of the brain that helps us plan and control our actions
gene activity
how the tiny instructions in our cells are turned on or off
neurons
brain cells that send messages
immune cells
cells that protect the body from germs
Alzheimer’s disease
a sickness that makes memory and thinking get worse
Parkinson’s disease
a sickness that makes movement hard
schizophrenia
a condition that can change how a person thinks and feels
microglia
special brain immune cells that clean up waste
dementia
a group of illnesses that affect memory and thinking
cognition
the way we think, learn, and remember
rhythms
regular patterns that happen in the body, like a daily clock
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