About This Chapter
Biological Aspects of Personality - Chapter Summary
In this chapter, you'll review the biological aspects of personality, including the definition of evolutionary personality theory and its origins. Our short lessons are written by professional instructors and designed to ensure your study experience is thorough and enjoyable. We've provided a short quiz after each lesson to help you test your understanding before moving on in the chapter. If at any time you have questions, contact one of our instructors to help you get back on track. This chapter is designed to:
- Outline Darwin's theory of natural selection
- Detail the influence DNA has on temperament
- Explain how biology impacts personality
- Discuss the twin studies on personality
- Apply evolutionary theory to animal behavior
- Describe the influence toxic substances and illness have on behavior
- Identify the impact the environment and people have on personality
- Relate personality theory to sexual identity
1. Darwin's Theory of Natural Selection: Overview
In this lesson, you'll be introduced to Charles Darwin and his theory of natural selection. You'll also learn a bit about how his ideas impacted science, popular understandings of human origins, and the debate his theories have sparked.
2. Evolutionary Personality Theory: Definition & Origins
What explains human personality? In this lesson we'll discuss the evolutionary perspective of human personality, which suggests that personality is innate and biological, evolving over time in ways similar to things like opposable thumbs.
3. Is Personality Genetic? - DNA's Influence on Temperament
How do genetics impact a person's temperament and personality? This lesson will introduce the world of behavioral genetics and help you understand the role our genes play in determining who we are and how we act.
4. Impact of Biology on Personality
Biology can impact our personality. This lesson goes over numerous examples of how this is possible (outside of the influence of genetics) by covering pain, hunger, and diseases.
5. Twin Studies on Personality
Do your genes shape your personality? What about the environment? One type of research on the subject that many psychologists have employed is twin studies on personality. You can learn more about this kind of study in this lesson.
6. Applying Evolutionary Theory to Animal Behavior
Many of us understand how to apply evolutionary theory to explain different physical traits in species. However, this theory can also be applied to explain animal behavior. Today, we'll look at several examples of animal behavior that have been shaped by evolution.
7. Illness & Toxic Substances Impact on Behavior
This lesson explores several different kinds of illnesses and toxic substances that can alter a person's behavior, as well as the potential behavioral changes associated with each of the examples.
8. Environmental Influences on Personality
This lesson showcases numerous examples of how our environment - and what's found in it - can influence our personality. Everything from sunlight to air pollution and altitude can do this!
9. Sexual Identity & Personality Theory
In this lesson, we'll discuss several prominent personality theories that explain sexual identity and sexuality. We'll cover two broad categories of theories: biological theories and psychosocial theories.
10. Impact of People on Personality
Does your personality change depending on whom you're around? Can another person's personality rub off on you? Find out as this lesson goes over several examples of this.
Earning College Credit
Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.
To learn more, visit our Earning Credit Page
Transferring credit to the school of your choice
Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.
Other chapters within the Psychology 310: Psychology of Personality course
- Introduction to Personality Psychology
- Personality Research & Assessment
- Psychoanalytic Theories of Personality
- Adler & Jung & Personality Theory
- Neo-Analytic & Ego Approaches to Identity
- Psychodynamic Theories & Theorists
- Behavioral & Learning Aspects of Personality
- Cognitive & Existential Theories of Personality
- Humanistic Theories & Theorists
- Trait Aspects of Personality
- Required Assignments for Psychology of Personality