Author: Alex

  • The Selfish Brain: Why True Altruism Might Not Exist.

    The Selfish Brain: Why True Altruism Might Not Exist.

    Introduction Three cavemen gather resources for their survival, scrounging for berries, spearfishing for primordial sushi, starting fires to stay warm, and cooking their food for the best nutrient availability. Then, another caveman comes running their way. Each caveman makes a decision. One fights, one flees, and one invites the spear-carrier over for some sushi. Who… Read more

  • How Do Neurons Communicate? Synaptic Transmission (Part 2)

    How Do Neurons Communicate? Synaptic Transmission (Part 2)

    Key Terminology Introduction Neurons communicate with other neurons electrochemically. In my post, How Do Neurons Communicate? Action Potentials (Part 1), I explained the first part of how neurons communicate. If you have not read that post, I recommend reading it to get a better understanding of action potential and how neurons move information along their… Read more

  • Neurons Made Simple: Understanding the Brain’s Building Blocks (2025)

    Neurons Made Simple: Understanding the Brain’s Building Blocks (2025)

    Key Terminology Introduction What is a neuron? Think of neurons as the foundation of your entire existence. They are tiny cells that make up your brain and nervous system. Without neurons, your body wouldn’t know how to move, how to breathe, how to see, feel, or believe. Neurons, because of their vital importance, deserve to… Read more

  • How Do Neurons Communicate? Action Potentials (Part 1)

    How Do Neurons Communicate? Action Potentials (Part 1)

    To initiate an action potential, the neuron requires a jump start, a trigger, to start the sequence. It is triggered by a stimulus (or multiple stimuli) at the input zone where its receptors can receive incoming information. Read more