What is MEG (magnetoencephalography) measure?
MEG measures magnetic fields
What does Electroencephalogram (EEG) examine?
It measures the electrical activity in neurons.
What is the auditory cortex
Again, obvious
The auditory cortex in your temporal lobes—above your ears—receives information from your ears
What forms the central nervous system, and what does it do?
The brain and spinal cord form the CNS, and it is the bodies decision maker
What do motor neurons do?
Motor neurons (which are efferent) carry instructions from the central nervous system outward to the body’s muscles and glands.
What does the CT (computed tomography) examine
What are the parts of the brain?
Think: F POT
Remember that the cerebrum is under the Occipital lobe
The brain has left n right hemispheres
20%
What forms the peripheral nervous system, and what does it do?
The peripheral nervous system is divided into two main parts: Autonomic nervous system & Somatic nervous system
feeds information into your brain from most of your senses
What does the sympathetic nervous system do?
The sympathetic nervous system arouses and expends energy (think “fight or flight”).
What does PET (positron emission tomography) scan examine?
It examines each area of the brains consumption of glucose
Shows the hottest spots
What is the motor cortex?
The motor cortex is an area within the cerebral cortex of the brain that is involved in the planning, control, and execution of voluntary movements
Think motor = movement
What is the purpose of association areas
Areas in which neurons won't trigger a visible response
What does the autonomic nervous system (ANS) do?
Controls involuntary bodily functions and regulates glands.
What are interneurons
As the name suggests, interneurons are the ones in between - they connect the spinal motor and sensory neurons
What does an MRI (magnetic resonance imaging) examine?
It examines the soft tissues (including the brain), and enlarged ventricles.
The person's head is placed in a strong magnetic field, which disorients the atoms
What is the somatosensory cortex?
The somatosensory cortex is a region of the brain which is responsible for receiving and processing sensory information from across the body, such as touch, temperature, and pain
What is plasticity?
Your brain's ability to constantly change
What does the Somatic nervous system do?
Somatic nervous system (SNS): Controls muscle movement and relays information from ears, eyes and skin to the central nervous system.
What are the parts of a neuron?
What does a fMRI (functional MRI) examine
It examines the brain's function & the brain structure.
Researchers can also watch as specific brain areas activate
What is the visual cortex
This should be obvious, cmon
The visual cortex in the occipital lobes at the rear of your brain receives input from your eyes.
What is neurogenesis
When the brain repairs itself by producing more neurons
What do Sensory neurons do?
carry messages from the body’s tissues and sensory receptors inward (thus, they are afferent) to the brain and spinal cord for processing.
What is the refractory period
What is a threshold
What is Action potential
What are the neurotransmitters and their functions
A period of time when the neuron needs to rest
A minimum intensity needed to trigger an action potential
A brief electrical charge that travels down the axon