Types of Consciousness

In this video I describe a spectrum of consciousness, ranging from minimal consciousness up to full human consciousness. Along the way, recognition of the self may be an important marker for differentiating some animals. The ability to be self-conscious and view oneself as an object rather than just being the subject experiencing consciousness seems to be limited to a small … Read More

Synesthesia: Mingling the Senses

In this video I explain synesthesia, in which stimulation of one sense can automatically stimulate another, such as seeing colors when hearing pitches or tasting sounds. I also demonstrate one way that researchers can test certain types of synesthesia and describe how synaptic pruning is one proposed explanation for the occurrence of synesthesia. Don’t forget to subscribe to the channel … Read More

Types of Test Designs

In designing an intelligence assessment, I may want to know the level of difficulty that someone is capable of solving. In this case, I would probably look at whether a person is able to solve a particularly difficult puzzle or not. This would be considered a power test. In this context power refers to how well a measurement can differentiate … Read More

Rorschach Inkblot Test Images

The original images from Rorschach’s Inkblot Test have been available in the public domain for several years now. Here’s an image of Hermann Rorschach himself (certainly a doppelgänger for Brad Pitt): Here’s a series of 10 of the images, presented in their original sequence, from an early version of Rorschach’s Inkblot Test (click to enlarge each image in a new … Read More