Neuroscience of Learning and Memory Flashcards

1
Q

Central Nervous System (CNS)

A

Brain and spinal cord

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2
Q

Peripheral Nervous System (PNS)

A
  • Somatic: controls voluntary motor movement and relays sensory information
  • Autonomic: sympathetic (‘fight or flight’) and parasympathetic (‘rest and digest’)
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3
Q

Enteric Nervous System

A
  • second brain
  • Controls the gastrointestinal system
  • Sometimes called a ‘second brain’
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4
Q

Posterior vs. anterior

A
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5
Q

Medial vs. lateral

A
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6
Q

Cortical Lobes

A
  • Frontal- Executive functions, controlling complex actions (decision making)
  • Parietal- Touch, feeling, sense of space
  • Occipital- vision
  • Temporal- hearing and memory
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7
Q

Subcortical Structures

A

Basal Ganglia
Thalamus
Amygdala
Hippocampus

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8
Q

Basal Ganglia

A

variety of different structures that are involved in movement/ modulating motor movements and actions and involved in the reward system. Caudate nucleus, putamen, nucleus accumbens, etc. Modulating movement.

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9
Q

Thalamus

A

sensory information gets passed through the thalamus a part from smell to other parts of the brain. Transmits sensory info to sensory cortices.

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10
Q

Amygdala

A

emotion processing (fear especially)

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11
Q

Hippocampus

A

Memory consolidation

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12
Q

Reflexes

A

simplest expression of the 3 nervous system functions:
1. Stimulus
2. little processing
3. response
Reflexes are hardwired, innate, and
involuntary
Processing is often handled solely in the
spinal cord
Interneurons allow for rapid responses that
can bypass the brain

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13
Q

Sensory Pathways

A

Common pathway for each sense:
Sensory organs -> thalamus -> primary sensory cortex e.g. eyes -> thalamus -> V1 occipital

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14
Q

Motor Pathways

A

All voluntary motor output is sent down to the spine via M1, primary motor cortex, in the frontal lobe

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15
Q

Comparative Neuroanatomy

A
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16
Q

Lesion Analysis

17
Q

Magnetic Resonance Imaging (MRI)

18
Q

Electroencephalogram (EEG)

19
Q

Magnetoencephalogram (MEG)

20
Q

Excitatory neurons

A

Neurotransmitter: glutamate
primary excitotary, continue signals and increase the chance other neurons will fire

21
Q

Inhibitory neurons

A

Neurotransmitter: 𝛾-aminobutyric acid (GABA)
act on other neurons, inhibiting electrical signalling (inhibitory neurons)

22
Q

Glial Cells

A

Provide support to nerve cells
help signals transfer faster

23
Q

Dendritic branches

24
Q

Dendrite

25
Cell body
26
Neural Communication: Electrical
27
Neural Communication: Chemical
28
Dopamine
29
Hebbian Plasticity
30
Synaptic Stabilization
31
Changes at the Synapse (LTP)
32
Changes at the Synapse (LTD)
33
Neural Plasticity