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The Evolution of the Brain

14 minutes

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Anatomical illustrated drawing of the left hemisphere of the human brain.

The complexity, capacity, and power of the human brain set us apart from other animals. Humans don't have the largest brains, but do have the greatest brain size relative to body size. Traces the evolution of the brain from Homo habilis to Homo sapiens. Discusses its composition and the function of the cerebral cortex.

Media Details

Runtime: 14 minutes

Topic: Science
Subtopic: Nervous System
Grade/Interest Level: 9 - 12
Standards:

Release Year: 1996
Producer/Distributor: Science Screen Report
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Lab equipment in background with illustration of connected neurons. Caption: glia activate and help fix the neurons

Shirtless muscular man flexing his bicep. Caption: When the muscle fibers fire and contract,

A woman. Caption: So we found a way to control prosthetic limbs.

A diagram of a lock in the backdrop of a neuron. Caption: So, a neuroethicist looks at the privacy implications.

illustration depicts a close knitted structure of the nerves. Caption: are now hardwired in because we use them so often.

Digital illustration of the lateral view of the brain. Text on image reads, "Working Memory." "Cognitive System with Limited Capacity." "Transient Holding Processing and Manipulation of Information."

Bill Nye holding an infant. Caption: You, she, and I have the same number of brain cells

A teenager wearing a beanie with skull and crossbones and a hoodie with a skull, sitting at a desk and writing on a piece of paper. Caption: he couldn't read or write.

Still image from: Crash Course Biology: The Nervous System

Illustration of neurons and dendrites exchanging signals. Caption: The addicted brain has changed.