Biological Psycholohy and Neurontransmission
What is the function of endophrins?
- influence the perception og pain or pleasure
What is the nervous system's decision maker?
- the central nervous system - the brain and the spinal cord
What neuron network that travels through the brainstem into the thalamus and plays an important role in controlling arousal?
- the reticular formation
Which structure of the brain is the body's ultimate control and information-processimh center?
- cerebral cortex
Which of the following is most likely to be a function of the left hemisphere?
A. Speech
B. Evaluating perceptual tasks
C. Making inferences
D. Identifying emotion in other people’s faces
- A. Speech
Which neurotransmitters are most likely in undersupply in someone who is depressed?
- serotonin and norepinephrine
What are 3 types of neurons? explaim the function of all three.
- Sensory neurons - carry incoming information from sense receptors tothe brain and spinal cord
- Motor neurons - carry information from the brain and spinal cord out to the muscles and glands
- Interneurons - communicate within the brain and spinal cord and between sensory and motor neurons.
What are the components of the brainstem?
- medulla, pons, reticular formation
Where is the pariental lobe located? And what is its function?
- lying at the top of the head and toward the rear
- recieves sensory input for touch and body position
What is split brain?
a condition resulting from surgery that isolates the brain's two hemispheres by cutting the
fibers (mainly those of the corpus
callosum) connecting them.
Which neurontransmitter is decreased in both concentration and function in patients with Alzheimer's disease?
- Acetylcholine (ACh)
which endocrine system’s is under the influence of the hypothalamus and regulates growth and controls other endocrine glands.
-Pituitary gland
A girl falls down the stair and her head hits the floor. She attenpts to stand up and walk but has trouble maintaining balance. What part of her brain has probably been affected?
A. Amygdala
B. Medulla
C. Cerebellumm
D. Thalamus
- C. cerebellum
What is plasticity?
- the brain’s ability to change, especially during childhood, by reorganizing after damage or by building new pathways based on experience.
What percentage (estimated) of ehat we do is unconious?
- 80% - 90%
What is the tiny gap at the junction between the axon tip of the sending nueron snd the dendrite or cell body of receiving neuron called?
- synapse
Explain the difference between autonomatic nervous system and somatic nervous system?
autonomatic nervous system:
- glands and internal organ muscles
- indluences glandular activity, heartbeat and digestion
somatic nervous system:
- enables voluntary control of skeletal muscles.
If a man loses his hippocampus after a surgery of after an injury, what abilty would he lose?
- the ability to from new memories of facts and events.
What is the process when the brain mends itself by forming new neurons?
- neurogenesis
What happens when the two minds are at odds?
- When the “two minds” are at odds, the left hemisphere does mental gymnastics to rationalize reactions it does not understand.
What is the function of antagonist?
- inhibit a particular neurotransmitter’s release or block its effect.
Hormones are ........... released into theblood stream.
- chemical messengers
Stimulation of the amygdala is most likely to have which of the following effects?
A. Happiness
B. Hunger
C. Dreaming
D. Aggression or fear
- D. Aggression or fear
Paul is having difficulty understanding what his wife is saying. Which of the following areas is most likely damaged?
A. The frontal lobe
B. Broca’s area
C. The occipital lobe
D. Wernicke’s area
D. Weenicke's area
Which of the following is an example of gene-environment interaction?
A. Yeh Lin experiemces flusinh syndrome, which mostly occurs in people of Asiam heritage.
B. Alfonso gets food poisoning from eating undercooked meat.
C. Ted gets diabetes, which runs in his family, because he eats too much sugary food.
D. Samantha has a food allergy to shellfish.
A. Yeh Lin experiemces flusinh syndrome, which mostly occurs in people of Asiam heritage.