Exam 3: Biological Foundations of Behaviour

Interneuron is to motor neuron as ___________.

What is the nature and importance of the myelin sheath? Which disorder results from inadequate myelinization?

Neurotransmitters are synthesized and then stored in small sacs of membrane called ___________.

How do glial cells differ from neurons? What three functions do they have in the nervous system?

The amygdala organizes emotional and motivational behaviours, especially those linked to ___________.

Agnosia is the inability to identify familiar objects. The area of the brain that is responsible for this is the ___________.

Anton's grandfather had a stroke. When the family arrives at the hospital, Grandfather is unable to speak. The family gives him some paper and a pencil, but Grandfather is unable to write, either. A speech therapist explains that Grandfather probably knows what he wants to say, but the part of his brain that allows him to produce speech has been damaged by the stroke, causing a condition called _________________. She plans to work with Grandfather to help him learn to speak again.

Dopamine is the neurotransmitter involved in several mental disorders. Too much can result in _______, while too little can result in _______.

A new treatment for Parkinson's disease has the side effect of blocking dopamine action in the nucleus accumbens. For a patient on this drug, which of the following would likely be diminished?

Donald Hebb was an important Canadian neuroscientist best remembered for his work on a mechanism for learning and memory called the _____________.

Lateralization refers to the way in which a brain function can be more localized in one brain hemisphere or the other.

In the human body, which nervous system is responsible for activating the body for such things as the fight-or-flight response?

Abnormally high levels of dopamine have been observed in the brains of people with

How are the somatic sensory and motor cortexes organized?

In a severe accident, Ray damages the Broca's area in his frontal lobe. What function will be affected with this injury?

The number of interneurons is ____________ other types of neurons.

Consider the job of airport security, which (in part) involves preventing things that are potentially dangerous from getting onto airplanes. We can compare this aspect of their job to the _____, which accomplishes something similar for the brain.

Damage to the Wernicke's area located in the temporal lobe would leave an individual unable to ___________________ written or spoken speech.

The technique that measures how atoms in living tissue respond to a magnetic pulse is called ______________.

The job of the thalamus is to organize sensory input and route it to the appropriate brain areas.