30 Questions
Which type of neuron carries sensory information from sensory receptors to the central nervous system?
Sensory neurons
What is the name for the space between neurons through which they communicate?
Synapse
What is the name for the voltage at which a neuron is not firing?
Resting potential
Which part of the nervous system controls basic life processes such as the beating of the heart and breathing?
Autonomic nervous system
What are the major structures of the central nervous system?
Brain and spinal cord
Which structure in the hindbrain controls vital physiological functions such as heartbeat and respiration?
Medulla oblongata
Which of the following is true about the influence of genetics on psychological functioning?
Genetics heavily influences psychological qualities and disorders.
What is the unit of hereditary transmission?
Gene
How many chromosomes do human cells have?
46
What is the degree of relatedness between grandparents and grandchildren?
0.25
What is the degree of relatedness between siblings?
0.5
What type of twins share the same genetic make-up?
Identical twins
According to the text, what is the main focus of the research?
Examining the effects of hemispheric disconnect on consciousness
What method was used to test the boy's hemispheres?
Visual stimuli
How did the boy's left hemisphere respond to the questions?
Verbally
How did the right hemisphere respond to the questions?
By spelling out words with the left hand
On which day did the boy's hemispheres tend to agree?
When he was in a pleasant mood
What did the researchers find about the right hemisphere's responses?
They were consistently more negative than the left hemisphere's responses
Which of the following best describes the concept of heritability?
The proportion of genetic variability among individuals on an observed trait
What does a heritability coefficient of 0 indicate?
No genetic influences on the trait
Which of the following traits has a high degree of heritability in a heterogeneous population?
Eye color
What does it mean if a psychological attribute is genetically influenced?
MZ twins are more likely than DZ twins to share the attribute
What does a heritability coefficient of 1.0 indicate?
A trait that is completely heritable
What is the importance of studying twins in examining the role of genetics in psychological attributes?
Twins have similar environments and genetic relatedness
Which part of the brain is involved in regulating eating, sleeping, sexual activity, and emotional experience?
Hypothalamus
Which part of the brain processes arriving sensory information and transmits it to higher brain centers?
Thalamus
Which subcortical structures are involved in emotion, motivation, learning, and memory?
Limbic system
Which lobes of the cerebral cortex are specialized for vision?
Occipital lobes
Which lobes of the cerebral cortex are involved in coordination of movement, attention, planning, and aspects of personality?
Frontal lobes
What is neuroplasticity?
The dynamic nature of the brain to develop and change itself in response to neural, environmental, and behavioral experiences
Test your knowledge on the Human Genome Project and the mapping of the human genome with this quiz. Explore the scientific breakthroughs and advancements made in understanding the genetic structure of our species.
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