Chapter 4/5 Flashcards
Extreme body events ; seizures are called _________
Epilepsy
Hans Berger is the inventor of ____________
EEG
Cations
Positively Charged
Anions
Negatively Charged
Resting potential of a membrane is
-70 mV
Extracellular ions
Na+ Cl-
Intracellular ions
K+ and A-
Na K pump
3 Na out
2 K in
Making intracelluar more negative
Hyperpolarization is the _________ of _________ making extracellular more ___________
Hyperpolarization is the efflux of potassium making the extracellularlar more positive
Depolarization is due to the _________ of _________
Influx of Sodium
___________ can caused due to the influx of Cl-
Hyperpolarization
Inhibitory signals _________ the chance of action potential
Reduce
Excitatory signals ____________ the chance of depolarization
Increase
Learning and memory is part of the __________ system
Cholinergic
________________ is the primary NT in the PNS
Acetylcholine
Hans Berger is the inventor of ___________
EEG
Ions move through
Concentration Gradient
Voltage Gradient
Resting Potential of a membrane is
- 70mv
Hyperpolarization is efflux of __________ and influx of __________
Pottasium ; Cholride
Signals are summed at the _________
Axon Hillock
Deep brain stimulation is used for
Parkinson’s and epilepsy
What did Otto Loewi use to Stimulate the vagus nerve of the frog heart
Acetylcholine
Synaptic Vesicles are inside the ________
Storage Granule
Neurotransmitters are stored in the _________
Synaptic Vesicles
in salatory conduction electric signals have to jump from ___________ so the signal travels faster
Nodes of Ravier
Excitatory Pathway produces
Action potential or depolarization
Inhibitory pathway produces
Hyperpolarization
At axon terminal, the action potential opens voltage gated ___________
Calcium Channels
Cell bodies originate in the _________ or __________
Brainstem ; midbrain
Dominant NT in Cholinergic system
Acetylcholine
Where does Cholinergic system project to
Basal Forebrain
Cholinergic system is involved in
Learning and memory
Wake up and sleeping
Noradrenegic System primary NT
Norepinephrine
Acetylcholine
PNS system
Norepinephrine is used to ______________
Kickstart the sympathetic nervous sytem
Primary NT in Dopaminergic system
Dopamine
2 pathways of Dopaminergic system
Nigrostriatal pathway
Mesolimbic pathway
nigrostriatal pathway
Involved in movement ( to practice golfing)
Mesolimbic pathway
Reward system
In schizophrenia there is a high NT of __________
Dopamine
NT is seatonergic pathway
Deratonin
Seratonin influences
Mood and emotion
Schizoprenia
Appetite and digestion
GABA
Inhibitory (Hyperpolarizing)
Glutamate
Excitatory
(Depolarizing)
Opiods
Bodys natural pain killer
Agonist
Enhances function of neurotransmitter at synapse
Antagonist
Inhibits function of neurotransmitter at synapse