Review questions for material
between Exam 3 and Final exam
- Who has more neurons, a newborn or an elderly person?
- What are the main differences between neurodevelopment before and
after birth?
- What is induction and how is it involved in neural development?
- What are the major divisions of the brain and how do they appear
in development?
- What genes affect which part of the neural tube develops into
which
brain parts? Where are new neurons born?
- How do new neurons get to their final location?
What cues are
used to determine when to stop?
- What is the main determinant of neuronal fate (differentiation
path)?
- How are growth cones like postsynaptic neurons? How are
they
like taste and smell receptors?
- What types of signals exist in the nervous system that growth
cones
can use to navigate?
- How are signals detected by growth cones?
- How are topographic maps formed?
- How are these maps sharpened through activity independent and
dependent
method?
Explain "use it or lose it" in the context of synapse formation
& retention during development. How are activity and trophic
factors involved?
- How are neurotrophins involved in synaptic pruning?
- What are the synaptic mechanisms of behavioral plasticity?
- How many ways can one change the effectiveness/strength of the
synapse?
- Why do most organisms infer causation when 2 events are
associated in time by 1/2 second?
- What is the physiological difference between sensitization and
classical conditioning?
- Why is the control stimulus not conditioned, or potentiated?
- Why is LTP both specific to one synapse, yet able to be
associative of two stimuli?
- Explain the physiological basis of the synaptic changes made
during LTP.
- Distinguish between procedural and declarative memory and explain
where each is stored.
- Explain the difference between short term and long term memory.
- How are long-term memories formed?
- What does it mean for a memory to be distributed? Explain
in terms of synapses.
- Explain the anatomy of memory formation vs. memory storage.
- Explain the anatomy of retrograde and anterograde amnesia.
- Explain the mechanism of long term memory induction on the
molecular
level. How might genes change a cell to make a memory?
- Describe how one could get agnosia. How is this related
to
distributed memory storage?
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