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NSG 3450 Unit 2 Questions and Answers

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NSG 3450 Unit 2 Questions and Answers

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Social Science Psychology


NSG 3450 Unit 2
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Terms in this set (112)


- Involved in fine motor movement
- Involved in integration of emotions and thoughts
Dopamine Effects
- Involved in decision making
- Stimulates hypothalamus to release hormones

Decrease: Parkinson's disease, depression
Dopamine's Association with Mental Health
Increase: Schizophrenia, Mania

- Level in brain affects mood
- Attention and arousal
Norepinephrine Effects
- Stimulates sympathetic branch of autonomic nervous system for "fight or flight" in
response to stress

Norepinephrine Association with mental decrease: depression
health increase: mania, anxiety states, schizophrenia

- Plays a role in sleep regulation, hunger, mood states, and pain perception
Serotonin Effects - Hormonal activity
- Plays a role in aggression and sexual behavior

Serotonin Association with mental health decrease depression

- Plays a role in learning and memory
- Stimulates parasympathetic branch of autonomic nervous system for "resting and
Acetylcholine Effects
digesting" actions
- Affects sexual and aggressive behavior

Decrease:
Alzheimer's disease
Acetylcholine Association with mental Huntington's disease
health Parkinson's disease
Increase:
Depression

, - Excitatory
Glutamate Effects
- Learning and memory

Decrease (NMDA):
Psychosis
Increase (NMDA):
Glutamate Association with Mental Health Prolonged increased state can be neurotoxic
Neurodegeneration in Alzheimer's disease
Increase (AMPA):
Improvement of cognitive performance in behavioral tasks

- Brainstem
- Hypothalamus
What are the different areas of the brain?
- Cerebellum
- Cerebrum

controlling functions as heart rate, breathing, digestion, and sleeping
Midbrain: pupillary reflex and eye movement
Brainstem Function Pons: Major processing station in auditory pathways
Medulla Oblongata: Balance, heart rate, RR, coughing, swallowing, sneezing, blood
pressure, and vomiting

Controlling hunger, thirst, and sex. Regulating the sleep and wakefulness cycle and
Hypothalamus the ability of the cerebrum to carry out conscious mental activity. Above brainstem.
Higher activities like thought and emotion to functioning internal organs.

Behind brainstem. Receives information from sensory systems, spinal cord, and
regulated voluntary motor movements. Coordinating contractions so that movement
Cerebellum
is accomplished in a smooth and directed manner. Balance and maintenance of
equilibrium.

Mental activities and conscious sense of being and perception of external world and
Cerebrum out own body, emotional status, memory, and control of skeletal muscles, language
and ability to communicate

Receive and ID sensory info, concept formation and abstraction, proprioception and
Parietal lobe
body awareness, reading, math, right and orientation

Formulate or select goals, initiate, plan, terminate actions, decision making, insight,
Frontal Lobe
motivation, social judgement, voluntary motor ability starts in frontal lobe.

Language comprehension, stores sounds into memory, connects with limbic systems.
Temporal lobe
"The emotional brain", to allow expression of emotions

Interprets visual images, visual association, visual memories, involved with language
Occipital lobe
formation

A series of x-ray images is taken of the brain and computer analysis produces "slices"
Computed tomography (CT)
providing a precise 3D-like reconstruction of each segment

A magnetic field is applied to the brain. The nuclei of hydrogen atoms absorb and
magnetic resonance imaging (MRI) emit radio waves that are analyzed by computer, which provides 3D visualization of
brain structure in sectional images

A recording of electrical signals from the brain made by hooking up electrodes to
Electroencephalography (EEG)
the patient's scalp

functional magnetic resonance imaging Measures brain activity indirectly by changes in blood oxygen in different parts of
(fMRI) the brain as subjects participate in various activities.

Radioactive substance (tracer) is injected, travels to the brain, and is detected as
Positron Emission Tomography (PET) bright spots on the scan. Data collected by the detectors are relayed to a computer,
which produces images of the activity and 3D visualization of the brain.

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