Ch 3 Lec 11 Flashcards

0
Q

Medulla

A
  • Regulates breathing, heart rate, blood pressure
  • Absence of activity in the medulla is sometimes used by physicians as a sign of brain death
  • Stimulates coughing, vomiting, or swallowing when necessary
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1
Q

Neuropsychological tests

A
  • Improving our understanding of the brain
  • Indicative of brain-behavior relations
  • E.g. Trail making test
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2
Q

Pons

A
  • Has a strong effect on consciousness
  • Helps regulate sleep-wake cycle
  • Surgical anesthesia induces unconsciousness by influencing the activity of the pons
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3
Q

Cerebellum

A
  • controls timing of well-learned sequences of movement

* research suggests that the cerebellum may influence the timing and sequencing of mental activities such as language

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4
Q

What does hindbrain include?

A

•Brain stem
-Medulla
-Pons
•Cerebellum

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5
Q

Forebrain or Cerebrum

A
  • Thalamus
  • Basal Ganglia
  • Hypothalamus
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6
Q

Thalamus

A
  • Sensory switchboard

* Routes sensory information to appropriate place (e.g., visual goes to visual centers; auditory to auditory centers)

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7
Q

Basal Ganglia

A
•Movement
•5 distinct structures around thalamus 
•voluntary muscle control
 - Parkinson's disease
   -Neurons which supply dopamine degenerate
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8
Q

Hypothalamus

A
  • Major role in controlling biological drives
  • Manufactures “orexins”-stimulate eating
  • Connection with pituitary gland that controls hormones
  • Sexual behavior, eating, drinking, aggression, emotion
  • Damage can disrupt all these behaviour
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9
Q

Limbic System

A
  • Hippocampus
  • Amygdala
  • Nucleus accumbens
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10
Q

Hippocampus

A

Forming and retrieving memories

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11
Q

Amygdala

A
  • Organizes emotional responses
  • Especially those linked to aggression and fear
  • Can produce emotional responses without brain ‘knowing’
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12
Q

Nucleus Accumbens

A

•Part of limbic system
-Linked to effects of drugs and abuse
• Cocaine, amphetamines, opiates etc. stimulate release of dopamine in nucleus accumbens
•Linked to rewards such as food, sexually-relevant cues

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13
Q

Cerebral Cortex-The Crow

A
4 lobes
•Frontal: speech and skeletal motor functions
•Parietal: body sensations
•Occipital: vision
•Temporal: auditory
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