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What Is the Vestibular System?

The vestibular system helps us understand the position and movement of our heads, even on the most extreme roller coasters. This sensory system contributes to our sense of balance and our ability to move, and disruptions to this system can result in dizziness and nausea....(more)

Are Earbuds Bad for My Hearing?

Using earbuds to listen to music, videos, or phone conversations has become part of everyday life for many people. Because earbuds deliver sound directly to the ear canal, the potential for producing hearing loss because of high volume is high. Following a few simple guidelines can help people avoid hearing...(more)

What Is Phantom Pain?

The brain has difficulty processing changes in sensory input that result from the loss of a body part. In the absence of normal incoming information, the brain might produce a sensation of pain, resulting in so-called phantom pain....(more)

What Is Optical Imaging?

Optical imaging uses recordings of the reflection of light from the surface of the brain. This allows researchers to assess neural activity, because reflection of light is affected by blood flow. Active areas of the brain are associated with greater amounts of blood flow when compared to less active areas....(more)


Are Women Really the More Selective Sex?

Evolutionary psychologists have argued for a long time that it is in the best reproductive interests for men to be promiscuous and in the best reproductive interests for women to be selective. What scientific evidence do we have about whether this is actually true?...(more)

Are Pets Good for Your Health?

Americans spent over 53 billion dollars on the pets in 2012. Surveys of pet owners show that people believe that their pets contribute to their overall well-being, making them happier, calmer, and better able to handle stress. Does science confirm these impressions? Are pets good for us?...(more)


What Are the Advantages of Being Bilingual?

An estimated 50 percent of the world's population is bilingual, and many of these individuals speak more than two languages (Grosjean, 2012). In the United States, approximately 20 percent of the population is bilingual. In addition to the obvious advantage of being able to converse with more people in their native languages, what other benefits might being bilingual provide?...(more)

What Is Temperament?

Contemporary psychologists no longer believe that we are "blank slates" at birth. Instead, we are born with a number of predispositions to behave in certain ways. These predispositions lead us to choose different activities, and also affect the way others treat us....(more)

What Are Attachment Styles?

One of the key aspects of child development is the initial bond that connects an infant and his or her caregivers. Mary Ainsworth and her colleagues identified three types of attachment, and Main and Solomon (1986) described a fourth. ...(more)

Laura Freberg

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Laura Freberg, Ph.D. is Professor of Psychology at California Polytechnic State University, San Luis Obispo, where she teaches courses in Introductory Psychology, Biological Psychology, and Sensation and Perception. In addition, she teaches Social Psychology and Sensation and Perception as an Adjunct Professor for Argosy University Online. Dr. Freberg is the... Read More

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