Скачать или смотреть The Brain’s Hidden Electrical Power ‌[Minecraft Version]

This video delves into the fascinating world of the human brain, describing it as a remarkably active power plant that constantly generates and consumes electrical energy. This electrical activity, originating from billions of neurons, is the foundation of all our thoughts, sensations, and actions. The exchange of minute electrical signals, known as action potentials, between these neurons at synapses enables communication within the brain. Despite making up only a small percentage of our body weight, the brain accounts for a significant portion of our total energy expenditure, highlighting its intense activity.
The video further explains that this energy is crucial for maintaining the electrical charge across neuronal membranes and facilitating the transmission of messages between neurons. It uses the analogy of tiny batteries to describe neurons and action potentials as rapid electrical messages. Communication between neurons also involves chemical neurotransmitters released at synapses. The continuous process of generating electrical signals, releasing chemicals, and receiving signals all demand a significant energy supply, which the brain obtains through a constant flow of blood carrying oxygen and glucose.
This high energy consumption underscores the brain's vulnerability to energy deficits and the importance of proper nutrition and sleep for optimal function. Finally, the video touches upon how the brain's electrical activity can be measured using techniques like EEG and how electrical or magnetic stimulation can be used therapeutically.
It also discusses the role of this activity in complex phenomena like consciousness, awareness, and neurological disorders. The video concludes by emphasizing the intricate structure and adaptability of the brain and nervous system, highlighting their importance in shaping our identity, thoughts, and emotions.