CDIS 421: Neuroscience of Communication (Ch. 1-7) Exam Q&A 100% Pass
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Course
CDIS 421
Institution
CDIS 421
CDIS 421: Neuroscience of
Communication (Ch. 1-7) Exam Q&A
100% Pass
What are the fundamental activities of a neuron? - Receiving input -
from dendrites + soma, categorizing inputs into excitatory or inhibitory
Integrating input - axon hillock generates the overall change in baseline
electric...
capillaries that carry blood to the brain and spinal cord tissue, blocking the
passage of certain substances.
- astrocytes are directly involved in this!
What are electrical synapses? - ✔✔Gap junction between 2 nerve cells that
require extremely rapid signal transmission (retina, olfactory bulb, cortex,
etc).
- Pre-synaptic and postsynaptic membranes are extremely close to each
other.
- Received ions flow trough gap junction channels
- Less vulnerable to fatigue
- Signal transmission is multi-directional
What are chemical synapses? - ✔✔Synaptic cleft where impulses are
slowly transmitted in one direction by neurotransmitters
- Neurotransmitters are received by chemical receptors on post-synaptic
membrane
- Vulnerable to fatigue
- Most abundant in the nervous system
- Flexible and adaptive in structure and function
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