* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Making Waves With Your Brain!!!!
Biochemistry of Alzheimer's disease wikipedia , lookup
Neurogenomics wikipedia , lookup
Synaptic gating wikipedia , lookup
Causes of transsexuality wikipedia , lookup
Subventricular zone wikipedia , lookup
Brain–computer interface wikipedia , lookup
Stimulus (physiology) wikipedia , lookup
Neural modeling fields wikipedia , lookup
Activity-dependent plasticity wikipedia , lookup
Neuroesthetics wikipedia , lookup
Human multitasking wikipedia , lookup
Neural engineering wikipedia , lookup
Neurotransmitter wikipedia , lookup
Artificial general intelligence wikipedia , lookup
Donald O. Hebb wikipedia , lookup
Time perception wikipedia , lookup
Neuroeconomics wikipedia , lookup
Functional magnetic resonance imaging wikipedia , lookup
Molecular neuroscience wikipedia , lookup
Clinical neurochemistry wikipedia , lookup
Human brain wikipedia , lookup
Blood–brain barrier wikipedia , lookup
Neuroinformatics wikipedia , lookup
Neurophilosophy wikipedia , lookup
Aging brain wikipedia , lookup
Mind uploading wikipedia , lookup
Sports-related traumatic brain injury wikipedia , lookup
Neuroplasticity wikipedia , lookup
Neurolinguistics wikipedia , lookup
Single-unit recording wikipedia , lookup
Brain morphometry wikipedia , lookup
Cognitive neuroscience wikipedia , lookup
Nervous system network models wikipedia , lookup
Haemodynamic response wikipedia , lookup
Neurotechnology wikipedia , lookup
Selfish brain theory wikipedia , lookup
Brain Rules wikipedia , lookup
Neuroanatomy wikipedia , lookup
History of neuroimaging wikipedia , lookup
Neuropsychology wikipedia , lookup
Holonomic brain theory wikipedia , lookup
Neuroprosthetics wikipedia , lookup
Nick Carter 1-27-2016 This presentation is made for free educational purposes. Your Brain is Electrical! • Your brain is made up of millions of NEURONS • The neurons use chemicals and electricity to communicate with each other • It takes a lot of energy – The Brain takes 20% of the total body energy. – 2/3 of that brain energy is used to help Neurons send electrical signals • Brain cells use chemical reactions to make electricity • EEGs* measure the external brain voltages so we can look at them * ElectroEncephaloGraphs How do Brain cells make Electricity? Do they have batteries? • Batteries make electricity using chemical reactions that make extra electrons at one terminal and a need for electrons at the other terminal creating a voltage difference between the terminals • Materials like to stay neutral without extra electrons or missing electrons • Conductive wires make an easy path for electrons to travel from the terminal with extra to the terminal without enough • As the electrons travel, they transfer energy to other things they pass through like motors, phones and light bulbs • People make batteries using chemicals that make the most power – chemicals often poisonous to humans • But brain cells…………………….. Wire But what about Brain cells? • Brain cells also use chemical reactions to make electricity • Brains do not have wires so they use human friendly chemicals to send electricity through the cells. • A neuron sends electricity using a pulse of IONs (charged chemicals - rather than the electrons themselves) to where it touches another neuron at a synapse. • The electric pulse makes a chemical called a neurotransmitter go to the next neuron. • If the next neuron gets enough neurotransmitters it will make an electrical pulse to send towards the next one. Electrical signal pulses make neurotransmitter chemicals cross to the other neuron Electrical signal pulses Received neurotransmitter chemicals make new electrical signals Enough new electrical signals sensed makes an electrical pulse go New Electrical signal pulses Brain Waves • Brain Waves are electrical signals detected on the outside of your brain • They result from the total average electrical activity inside your brain • You cannot get a shock from them, they are very small voltages • The signals change in size at regular intervals between 1/10 and 60 times a second depending how active the brain is. Brain Wave Pulse Rate Matches How Active your Brain is Delta waves – when unconscious or asleep 1/10 to 4 pulses a second Theta waves – when conscious but sleepy 4 to 7 pulses a second Alpha waves – when relaxing physically and mentally 7 to 13 pulses a second Beta waves -- when actively alert, tense or agitated 13 to 60 pulses a second The MindFlex Game uses Brainwaves to Control Objects. • The Headset measures the Brain electrical signals and separates the different waves out • It uses the signals to sense how focused you are. • These signals are sent wirelessly to the base unit to control the ball or the fan position in the game. We can see the signals it measures “Frontier Nerds” made a hack to see the Wave Signal Sizes Serial/USB cable PC using their Processing App. Parsed based on Neurosky mindset communications protocol Samples move this way at 1/Sec PC Display Bar Graph Values of Current Sample