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Author
Description
In the past two decades, the familiar experience of attention - the emphasis on a particular mental activity so that it "fills the mind"--Has been subjected to much scientific inquiry. David LaBerge now provides a systematic view of the attention process as it occurs in everyday perception, thinking, and action. Drawing from a variety of research methods and findings from cognitive psychology, neurobiology, and computer science, he presents a masterful...
Author
Description
Drawing on a number of cutting-edge discoveries from brain research as well as on his own insights as a neuroscientist and neuropsychologist, Goldberg presents a wide-ranging discussion of history, culture, and evolution to arrive at an original understanding of the nature of human creativity. He discusses the origins of language, the nature of several neurological disorders, animal cognition, virtual reality, and even artificial intelligence. Included...
Description
Dr. Eagleman takes viewers on an extraordinary journey that explores how the brain, locked in silence and darkness without direct access to the world, conjures up the rich and beautiful world we all take for granted. "What is Reality?" begins with the astonishing fact that this technicolour multi-sensory experience we are having is a convincing illusion conjured up for us by our brains. In the outside world there is no colour, no sound, no smell....
Author
Description
"What if what we consider to be reason-based, deliberative judgment is really the product of involuntary mental sensations? In A Skeptic's Guide to the Mind, Dr. Robert Burton takes a close look at the key false assumptions that permeate the field of cognitive science and offers a new way of exploring how our brains generate thought. The essential paradox that drives this cutting-edge theory is that the same mechanisms that prevent understanding the...
Description
Your brain is composed of more than a thousand million neurons. Specific neuron groups work together to enable you to reason, experience feelings, remember things, and understand the world. Your brain has three major components: cerebrum, cerebellum, and brainstem. The outside portion of the cerebrum is the cerebral cortex, or gray matter, which generates your most complex intellectual thoughts. The cerebrum has left and right sides that communicate...
6) Hearing
Description
Your ear has three regions: outer ear, middle ear, and inner ear. When sound waves enter your ear canal, your ear drum vibrates. The vibration moves three bones in your middle ear called ossicles. The ossicles are also called the hammer, anvil, and stirrup; they are tiny bones that transfer and amplify sound waves to the oval window behind the stirrup. When the oval window vibrates, fluid moves across a membrane inside your cochlea, causing the membrane...
7) Ovulation
Description
Ovulation occurs though a sequence of hormonal responses. Located deep within the brain, the pituitary gland releases the hormones FSH and LH, which travel through the blood stream to the ovaries. These hormones signal the development and release of a single egg cell from one of the ovaries. The sweeping motion of the fimbriae draws the egg cell through a very small space in the open body cavity into the uterine, or fallopian, tube. The egg cell will...
8) Feeling Pain
Description
The pain receptors in your skin detect tissue damage. For example, when a bee stings, your peripheral nerves send a pain signal to your brain, which analyzes the pain signal.
Description
As sound waves make contact with the ear, they travel through the outer ear into the external auditory canal and then strike the eardrum, causing it to vibrate. The central part of the eardrum is connected to a small bone of the middle ear called the malleus (hammer). As the malleus vibrates, it transmits the sound vibrations to the other two small bones, or ossicles, of the middle ear, the incus and stapes. As the stapes moves, it pushes a structure...
Description
Endocrine system glands produce hormones, the chemical messengers that travel through your bloodstream to other locations. While your brain continuously sends instructions to your endocrine system and receives feedback from its parts, your endocrine and nervous systems work together. The two systems are called your neuroendocrine system. The hypothalamus, a part of your brain, controls your endocrine system; for this reason it is called the master...
11) Smelling
Description
As you inhale air, scent molecules move past the smell receptors in your nose. In turn, the smell receptors relay a signal to your brain. Smells can trigger memories and emotional responses.
Description
As sound waves enter the ear, they travel through the outer ear and the external auditory canal and then strike the eardrum, causing it to vibrate. The central part of the eardrum is connected to a small bone of the middle ear called the malleus (hammer). As the malleus vibrates, it transmits the sound vibrations to the other two small bones or ossicles of the middle ear, the incus and stapes. As the stapes moves, it pushes a structure called the...
Description
This studio-based program introduces Michael Gruneberg, Ph. D., an internationally recognized authority on methods of learning. Dr. Gruneberg's Linkword language courses offer several memory-enhancing principles including association, a method that not only speeds learning but also increases the amount that can be learned. Memory is essential to the management of our everyday lives. Our short-term memory helps us manage matters in the present, and...
14) Muscle Memory
Description
Puppeteers use strings to control their movements. We, on the other hand, are manipulated by the brain. The brain is the center of the nervous system of almost all vertebrate and invertebrate animals. The brain is in charge of controlling all the organs in the body. It generates patterns of muscle activity and promotes secretion of chemicals called hormones. This central control is what enables a quick and coordinated response to changes in the environment....
Description
When the bladder fills with urine, sensory nerves send impulses to the brain indicating that the bladder is full. The sensory nerves connect with other nerves in the spinal cord to relay this information. In turn, the brain sends impulses back to the bladder instructing the bladder to empty its contents.
17) Pituitary Gland
Description
Your hypothalamus controls which hormones your pituitary gland releases by sending hormonal or electrical messages. For example, growth hormone acts on muscle and bone and increases the size of both. During childhood, insufficient growth hormone causes pituitary dwarfism; too much growth hormone causes gigantism. Too much in a mature body causes acromegaly. In acromegaly, facial features become rough and coarse; the voice deepens; and hand, foot,...
Description
A bolt of lightning packs up to 100 million volts and is five times hotter than the surface of the sun. What happens if lightning hits you? What are the chances of survival? Why does lightning kill some victims and leave others almost completely unscathed? Reconstructing some of the most dramatic lightning strikes in the United States and United Kingdom, this documentary explains the dangers and tells what steps you can take to avoid being the victim...
Description
Your nervous system has two parts, each containing billions of neurons. The central nervous system contains your brain and spinal cord, a fibrous, ropelike structure. The peripheral nervous system consists of thousands of nerves that connect your spinal cord and brain to your muscles and sensory receptors. Your peripheral nervous system transmits signals to and from the central nervous system for your reflexes, voluntary movements, and sensory information....
20) Consciousness
Description
Throughout human history, the everyday miracle of consciousness, of being aware, has led philosophers, poets, and mystics to believe that the essence of our being can exist independently of our bodies. This program examines: What do we know about human consciousness at the end of the 20th century? What progress has neuroscience made in explaining consciousness? How does our brain organize the sensory information it receives to create a coherent picture...
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