Neurophysiology And NeuroAnatomy For NFB Flashcards
What describes the EEG beta rhythm?
Desynchronous
When we are vigilant, input from the _____ helps generate the beta rhythm
Reticular activating system
Which brain structure functions most like a thermostat
Hypothalamus
Neurotransmitters are primarily activated by
Reuptake
An axon hillock must typically become ________mV more positive than at rest to trigger an action potential.
20mV
Which is the noradrenergic pathway responsible for vigilance?
Locus Coeruleus
Most sensory input to the cerebral cortex is filtered and distributed by the…..
thalamus
Increased firing in the _______ produces cortical activation.
Dorsal lateral tagmental nucleus and nucleus basalis
_______ neurons in the brain stem generate thalamic alpha rhythms.
Cholonergic
Which structure is crucial to emotional intelligence because it’s sensitizes us to the social consequences of her actions and helps us understand the feelings of others?
Orbitofrontal cortex
According to the central timing, hypothesis, alpha frequency, determines what
Information processing speed
When neurons depolarize _____ . This makes the neurons more _______ inside.
When neurons depolarize, sodium ions enter and this makes the neurons more positive inside.
In sodium potassium transporters, …
Exchanges 3 sodium ions for 2 potassium ions
What triggers the movement of synaptic vesicles to the release zone of the axon terminal button
Calcium (Ca+) entry into the terminal button
Which structure may help activate behavior and focus attention?
Cingulate gyrus (it’s overactive in OCD)
Sterman proposed that _______ systems mainly influence thalamic generation of field potentials recorded from the scalp.
Vigilance,
sensorimotor integration, and cognitive integration
Which process best explains the persistence of neurofeedback training effects in ADHD
Long-term potentiation
The withdrawal of sensorimotor input to the thalamus increases _____ activity
SMR
The fight or flight response is organized by the ________
Hypothalamus
Postsynaptic potentials are mainly integrated at the
Axon hillock
The specialized proteins located in neuronal membrane’s that have passages that can open or close are called
Ion channels
The brain and spinal cord comprise the
Central nervous system
The difference in electrical potential inside and outside the cell at any point in time is the
Membrane potential
Axoaxionic synapses
Alter the amount of neurotransmitter released by the postsynaptic neuron