Brain and Behavior Flashcards

(39 cards)

1
Q

Central Nervous System

A

brain and spinal cord

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2
Q

Peripheral Nervous System

A

Somatic / Autonomic → Sympathetic / Parasympathetic

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3
Q

Somatic

A

Controls skeletal muscles

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4
Q

Autonomic

A

Regulates involuntary bodily functions

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5
Q

Sympathetic

A

Arousal and stress

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6
Q

Parasympathetic

A

Returns body to resting state

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7
Q

Neurogenesis

A

Neurons are created from neural stem cells in the brain

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8
Q

Prenatal Brain Development

A
  1. By 3 weeks, a primitive neural tube of stem cells has formed
  2. The neural stem cells divide and multiply - producing neurons and glial cells
  3. Top of the neural tube becomes hindbrain, midbrain, and forebrain
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9
Q

Synaptogenesis

A
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10
Q

Birth to 3 years

A

Branching ‘neural networks’ enable walking, talking, and remembering

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11
Q

3 to 6 years

A

Frontal lobes develop enable rational planning

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12
Q

6 to 13 years

A

Association areas in the cortex proliferate enriching thinking, memory, language, and reading skills; Frontal lobe allows for executive functions

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13
Q

When does development of the brain end?

A

21 years

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14
Q

Hindbrain

A

Becomes brain stem/cerebellum

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15
Q

Midbrain

A

becomes origins of reward pathway

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16
Q

Forebrain

A

Becomes more developed forebrain

17
Q

Brainstem

A

Contains the medulla, pons, and midbrain

18
Q

Medulla

A
  1. Controls heart rate and blood pressure
  2. Controls reflexes such as vomiting, sneezing, and coughing
  3. Physically connects with the spinal cord
19
Q

Pons

A
  1. Upper portion of brain stem
  2. Helps regulate respiratory functions
  3. Helps coordinate basic motor control and balance
  4. Receives sensory input such as auditory and pain signals
20
Q

Cerebellum

A
  1. Little Brian - Dense structure
  2. Helps coordinate and fine tune motor activity, complex motor functions
  3. Procedural memories
  4. Act on ‘auto-pilot’ when the skills are used
21
Q

Procedural Memories

A

Learn new complex motor skills via practice

22
Q

Huntington’s disease and Motor control

A

Impacts the cerebellum and the Basal ganglia

23
Q

What does the Limbic system include?

A

HATCH: Hippocampus, Amygdala, Thalamus, Cerebral cortex. Hypothalamus

24
Q

Limbic system

A

A system of brain structures that plays a major role in emotional processing and memory control, adapt and respond efficiently

25
Thalamus
26
Hypothalamus
27
Hippocampus
28
Amygdala
29
Video on Fear Processing
30
Anterior Cingulate Cortex (ACC)
31
Cerebral cortex
32
Lobes of Cerebral Cortex
Frontal, Parietal, Occipital, Temporal
33
Frontal Lobe
Primary motor cortex
34
Temporal Lobe
Auditory and language comprehension
35
Parietal Lobe
Touch/Sensory
36
Occipital Lobe
Visual
37
Phantom Limb Sensation
38
The Upside Down Brain
39