A tree and a pole are 3000 m apart. Each is suddenly hit by a bolt of lightning. Mark, who is standing at rest midway between the two, sees the two lightning bolts at the same instant of time. Nancy is at rest under the tree. Define event 1 to be lightning strikes tree and event 2 to be lightning strikes pole. For Nancy, does event 1 occur before, after, or at the same time as event 2?
Block 4 - Lecture 7 Limbic System and High Function 1. List the 5 major components of the limbic system and their function 1) Amygdala - emotion, especially fear 2) Hippocampus - learning/memory 3) Basal forebrain nuclei, including ucleus accumbens - addiction 4) Cingulate gyrus - motivation 5) Prefrontal cortex - long term memory and personality 2. Compare fear and anxiety Fear - emotional response to definite threat Anxiety - sense of apprehension to unknown threat 3. Compare addiction and compulsion Addiction - a state which the body develo s a physiological dependence on a substance, if the substance is removed will cause a hysical withdrawal symptoms. Associated with drug tolerance, which is the need for more of the substance