Key Points
👉 Left-handedness persists because rarity gives advantages in competition.
👉 Handedness likely comes from brain asymmetry, not direct selection.
👉 Lefties show both strengths, like creativity, and downsides in adaptation
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Posts by Dr. Sam Goldstein
Why Exploration Still Defines Humanity
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#dsm5
In this article, I look toward the future. Rather than looking back at previous controversies with the DSM, I will examine where it is headed, why the recent structural changes are significant, and what the most ambitious alternative for the future could be. #DSM5
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Hope is actually a built-in feature of the human brain. It is something you can strengthen, train, and lean on. It’s mental infrastructure.
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Hope isn’t just a soft feeling you reach for when things go sideways. It’s not denial. It’s not crossing your fingers and hoping for the best. Hope is actually a built-in feature of the human brain.
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Today, we know music affects more than just our emotions. It activates almost every part of the brain. When you hear a song you love, your brain’s reward centers release dopamine, the same chemical involved in cravings and falling in love. #music
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The year 2036 is not far away. Children entering kindergarten today will still be teenagers. Most of the buildings around us will still stand. The sky will look the same, and the streets will still carry people to work, school, and home.
Listening to the adult gives the teen wisdom so they can build a stronger sense of self, reduce their anxiety, and approach their problems with greater clarity.
What do neuropsychologist actuallly do?
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We love movies because they speak the brain’s first language. They deliver meaning through story, image, and emotion. They help us practice being human.
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drsamgoldstein.substack.com/p/why-we-lov...
The current era has initiated a revolution in both speed and scale. The introduction of firearms changed the nature of warfare forever. The colonization of Africa, Asia, and North America led to widespread devastation for Indigenous peoples.
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drsamgoldstein.substack.com/p/between-wa...
Children's use of screens (smartphones, tablets, etc.) is often a direct reflection of their parents' screen utilization.
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