Nervous System
Name 3 functions of the nervous system
What is Sensation, Integration, Motor output, higher mental functions, emotions
three parts of a neuron
1- cell body (soma) 2- dendrites 3- axon 4- myelin sheaths 5- axon terminals 6- nodes of ranvier
What are the 4 main lobes?
1. Frontal
2. Parietal
3. Temporal
4. Occipital
What is the difference between anterograde and retrograde amnesia?
Anterograde- loss of ability to store new memories after an event of damage
Retrograde- loss of memories prior to damage
The central nervous system is made of these organs
brain and spinal cord
An action potential travels along this
A neuron's axon
name any three neurotransmitters
Acetylcholine, norepinephrine, dopamine, serotonin
The hippocampus is associated with what?
Where short-term memory is converted to long-term memory
what does CNS stand for?
Central Nervous System
what purpose does Myelin Sheath provide?
Allows information to travel more efficiently
What does Broca's area do and where is it located in the brain?
Language production, frontal lobe
Aphasia- can't produce coherent speech
What does the midbrain do?
Wakefulness, pleasure, emotion, instincts
Two subdivisions of the Autonomic Nervous System
What is Parasympathetic Division- "rest and digest" and Sympathetic "Fight of Flight"
Special chemicals that transmit info from one neuron to another is called what?
neurotransmitters
What does Wernicke's area do and where is it located?
Language comprehension, temporal
Aphasia- can't understand others
What does the forebrain do?
Higher functions, executive planning, conscious awareness, hypothalamus (hunger, homeostasis), cerebral cortex
2 subdivisions of the PNS
Autonomic and somatic
neurons taking information back to your body are called what?
motor neurons
What does the thalamus do?
Receives sensory and limbic information and sends to cerebral cortex
What does the hindbrain do?
Regulates automatic functions. Life support system
Brain stem (medulla- breathing, heart rate) (pons- breathing pattern)
Cerebellum- coordination of movements