PSY311 Chapter 12 Homework
1. What are the positive and negative symptoms of schizophrenia?
Positive symptoms are abnormal behavioral states that have been gained. Examples
include hallucinations, delusions, and excited motor b
PSY311 Chapter 8 Homework
1. What are hormones, and how do they act?
Hormones are chemicals secreted by one group of ells and carried through the
bloodstream to other parts of the body, where they act on specific target tissues
PSY311 Chapter 6 Homework
1. Identify the major components of the external ear. What does the external ear do?
The major components of the external ear are the pinnae and the ear cannal. The external
ear is important because th
PSY311 Chapter 4 Homework
1. Distinguish between endogenous and exogenous substances, and give a few examples of
Endogenous substances and processes are those that originate from within an organism,
tissue, or cell. An ex
PSY311 Chapter 7 Homework
1. Describe how structures of the eye refract light to focus an image on the retina.
The visual image focused on the retina is inverted top to bottom then reversed right to
left. The gap in the retina
PSY311 Chapter 5 Homework
1. Give a general explanation of sensory transduction.
Sensory transduction is the process in which a receptor cell converts the energy in a
stimulus into a change in the electrical potential across it
PSY311 Chapter 11 Homework
1. Compare and contrast the folk psychology view of bodily responses to emotions with the
The james-lange theory suggests that the emotions we experience are caused by bodily
PSY311 Chapter 10 Homework
1. What are circadian rhythms, and how can they be studied and manipulated in lab
Circadian rhythm is a patter of behavioral, biochemical , or physiological fluctuation that
has a 24- hour pe
PSY311 Chapter 3 Homework
1. What two physical forces determine a neurons resting potential?
The two physical forces that determine a neurons resting potential are diffusion and
electrostatic pressure. Diffusion is the force th
PSY311 Chapter 1 Homework
1. Discuss the concept of localization of function.
The concept of localization of function originated in phrenology and was an important
milestone in the field of biological psychology. This concept l