Brain and Behavior Flashcards

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
Q

Thalamus

26
Q

Hypothalamus

27
Q

Hippocampus

28
Q

Amygdala

29
Q

Video on Fear Processing

30
Q

Anterior Cingulate Cortex (ACC)

31
Q

Cerebral cortex

32
Q

Lobes of Cerebral Cortex

A

Frontal, Parietal, Occipital, Temporal

33
Q

Frontal Lobe

A

Primary motor cortex

34
Q

Temporal Lobe

A

Auditory and language comprehension

35
Q

Parietal Lobe

A

Touch/Sensory

36
Q

Occipital Lobe

37
Q

Phantom Limb Sensation

38
Q

The Upside Down Brain