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35 Cards in this Set

  • Front
  • Back


HindBrain

Pons, Cerebellum and Medulla


Pons

Sleep/Wake Cycle


Cerebellum

4 Motor Coordination/Control

Pia Matter


Dura Matter


Pia - Inside


Dura - Outside


Arachnoid Membrane


Between pia and dura matter

Mid Brain

Superior colliculi, Inferior Colliculi, Substantia nigra, Reticular formation,

Superior Collicuri

Visual orienting, motion detection

Inferior collicuri

Sound localization

Substantia Nigra

When damaged = Huntington's disease

Reticular Formation

Involved with sleep, arousal and temperature


Limbic Structures

Amygdala, Hippocampus, cingulate gyrus, olfactory bulb

Amygdala

Involved with emotion regulation, perception of odor

Hippocampus

Learning


Olfactory

Smell

Cingulate gyrus

Attention /conflict

"What" Pathway


Occipital to ventral -> What object seen


"Where" Pathway

Occipital to Dorsal -> Where object seen

Neurotransmitters

Otto Loewl: Identified ACH

ACH

1st neurotransmitter discovered


Found with frog hearts



Agonists

enhance actions of neurotransmitters

Antagonists

blocks receptors

Pre synaptic alteration of drugs

alter axon conduction

Action potential

Rapidly reverses resting membrane potential from a negative to a positive charge

Local Potential

Graded potential


Action Potential

All or none

Building stage

Depolarization, threshold, sodium influx, potassium influx,

Relaxing Stage

Peak, Repolarization, Hyperpolarization, sodium potassium pump kicks in

Synaptic Cleft

A gap that separates membranes

Ca ++ Influx

Terminal membrane opens and allows Ca ++ to enter

Exocytosis

Release of neurotransmitter

Receptor Binding

Transmitter connects with post-synaptic receptor

Aricept

Blocks enzyme that breaks down ACH -AGONIST

Atropine

Blocks ACH receptors -ANTAGONIST

Nicotine

Agonist - acts like ACH

Neurotransmitter vs drugs

Neurotransmitters - effect only one area vs drugs can effect multiple