Biology and Learning - The Brain (Part 1) | BIALIGY.com

About this video

• Video Title: Biology and Learning - The Brain (Part 1) | BIALIGY.com
• Channel: BIALIGY
• Speakers: No speakers are identified in the transcript.
• Duration: 10:45

Overview

This video introduces the first part of a lecture series on the biology of learning, focusing on the brain. It covers the embryonic development of the brain, including regulated gene expression and signal transduction, which lead to synapse development. The lecture also explains neuronal plasticity, the concept of "use it or lose it," and how these processes relate to memory formation. Finally, it touches upon the autism hypothesis as an application of these concepts.

Key takeaways

• Embryonic Brain Development: The brain undergoes crucial development during the embryonic stage through regulated gene expression and signal transduction, leading to synapse (neuron connections) development, which shapes the nervous system.
• Neuronal Plasticity: The brain remains a dynamic and changeable structure even after embryonic development. Synapses can be modified and connections between neurons can be strengthened or weakened based on activities and usage.
• "Use It or Lose It" Principle: This principle highlights that the brain's plasticity is activity-dependent. Actively using and reinforcing neural connections strengthens them, leading to memory formation, while disuse can lead to the loss of synapses and decreased signaling.
• Autism Hypothesis: This hypothesis suggests that disruptions in embryonic gene expression and signal transduction can impair synapse development and nervous system shaping, potentially leading to conditions like autism, characterized by flawed synaptic remodeling and reduced neuronal plasticity.