The Human Genome Project

Play an AI-generated podcast conversation about this lesson

Which type of neuron carries sensory information from sensory receptors to the central nervous system?

Interneurons

Sensory neurons (correct)

Axons

Motor neurons

What is the name for the space between neurons through which they communicate?

Dendrite

Axon

Terminal button

Synapse (correct)

What is the name for the voltage at which a neuron is not firing?

Depolarisation

Hyperpolarisation

Resting potential (correct)

Graded potential

Which part of the nervous system controls basic life processes such as the beating of the heart and breathing?

Autonomic nervous system Signup and view all the answers

What are the major structures of the central nervous system?

Brain and spinal cord Signup and view all the answers

Which structure in the hindbrain controls vital physiological functions such as heartbeat and respiration?

Medulla oblongata Signup and view all the answers

Which of the following is true about the influence of genetics on psychological functioning?

Genetics heavily influences psychological qualities and disorders. Signup and view all the answers

What is the unit of hereditary transmission?

Gene Signup and view all the answers

How many chromosomes do human cells have?

46 Signup and view all the answers

What is the degree of relatedness between grandparents and grandchildren?

0.25 Signup and view all the answers

What is the degree of relatedness between siblings?

0.5 Signup and view all the answers

What type of twins share the same genetic make-up?

Identical twins Signup and view all the answers

According to the text, what is the main focus of the research?

Examining the effects of hemispheric disconnect on consciousness Signup and view all the answers

What method was used to test the boy's hemispheres?

Visual stimuli Signup and view all the answers

How did the boy's left hemisphere respond to the questions?

Verbally Signup and view all the answers

How did the right hemisphere respond to the questions?

By spelling out words with the left hand Signup and view all the answers

On which day did the boy's hemispheres tend to agree?

When he was in a pleasant mood Signup and view all the answers

What did the researchers find about the right hemisphere's responses?

They were consistently more negative than the left hemisphere's responses Signup and view all the answers

Which of the following best describes the concept of heritability?

The proportion of genetic variability among individuals on an observed trait Signup and view all the answers

What does a heritability coefficient of 0 indicate?

No genetic influences on the trait Signup and view all the answers

Which of the following traits has a high degree of heritability in a heterogeneous population?

Eye color Signup and view all the answers

What does it mean if a psychological attribute is genetically influenced?

MZ twins are more likely than DZ twins to share the attribute Signup and view all the answers

What does a heritability coefficient of 1.0 indicate?

A trait that is completely heritable Signup and view all the answers

What is the importance of studying twins in examining the role of genetics in psychological attributes?

Twins have similar environments and genetic relatedness Signup and view all the answers

Which part of the brain is involved in regulating eating, sleeping, sexual activity, and emotional experience?

Hypothalamus Signup and view all the answers

Which part of the brain processes arriving sensory information and transmits it to higher brain centers?

Thalamus Signup and view all the answers

Which subcortical structures are involved in emotion, motivation, learning, and memory?

Limbic system Signup and view all the answers

Which lobes of the cerebral cortex are specialized for vision?

Occipital lobes Signup and view all the answers

Which lobes of the cerebral cortex are involved in coordination of movement, attention, planning, and aspects of personality?

Frontal lobes Signup and view all the answers

What is neuroplasticity?

The dynamic nature of the brain to develop and change itself in response to neural, environmental, and behavioral experiences Signup and view all the answers