Motivation & Goal-Setting

In this last video on motivation I consider the relationship between motivation and the goals that we set for ourselves. I discuss the importance of setting self–concordant goals which are intrinsically motivated and then discuss strategies for achieving goals. In … Read More

Conscious & Unconscious, Approach & Avoidance Motivations

In this video I discuss how motivations may be conscious or unconscious influences on behavior. I describe some of the unconscious motivations proposed by Henry Murray and David McClelland and how external conditions may activate motivations. Next I describe the … Read More

Delay of Gratification & Ironic Effects of Punishment

In this video I introduce the concept of delay of gratification and the famous Marshmallow Test. Mischel, Shoda, and Rodriguez found that the ability to delay gratification at age 4 was associated with higher social competence, coping skills, and even … Read More

Maslow’s Hierarchy of Needs

In this video I describe one way of organizing the many other motivations that we face: Maslow’s Hierarchy of Needs. Abraham Maslow proposed that motivations could be categorized and then those categories could be arranged into a hierarchy of importance, … Read More

Masters & Johnson’s Human Sexual Response Cycle

In this video I briefly describe the work of William Masters and Virginia Johnson in identifying 4 distinct phases of the human sexual response cycle: excitement, plateau, orgasm, and resolution. Like these videos? Don’t forget to subscribe to the channel … Read More

Sexual Motivation

In this video I introduce the basics of sexual motivation and briefly describe hormones involved. Next I discuss some important differences between humans and other species when it comes to sexual motivation, including estrus and hidden fertility. I explain how … Read More

Understanding Obesity

In this video I consider evolutionary explanations for the modern struggle with obesity. I describe how obesity is defined using the calculation of body mass index or BMI and consider potential problems with this simple calculation. I also discuss set … Read More

Introduction to Eating Disorders

In this video I introduce 3 eating disorders: bulimia nervosa, binge–eating disorder, and anorexia nervosa. I briefly describe the symptoms of these disorders and how they may arise from complex interactions of biological factors like genes or hormones and environmental … Read More

Hunger Signaling

In this video I describe how hunger is turned on (the orexigenic signal) and off (the anorexigenic signal) and how hormones and other cues influence motivation to eat. The lateral hypothalamus is involved in turning on hunger, while the ventromedial … Read More