PSYCH 112 Lecture Notes - Lecture 1: Somatic Nervous System, Afferent Nerve Fiber, Reflex Arc
Document Summary
* patellar reflex- a standard component of a general medical exam. * medical doctor taps your patellar tendon just below the knee and your quadriceps muscle (on the top of your thigh) suddenly contracts, causing your foot to snap out. * irritability- the responsiveness of living organisms to external stimuli has traditionally. * cause - the action of any one of the four fundamental forces gravity, electromagnetism, and the weak and strong interactive forces in any object on any other object. * effect- the action resulting from the cause. * stimulus- an environmental event that triggers an organismic response. * response- the organismic action triggered by an environmental stimulus. * stimulus response psychology - the study of how particular stimuli come to elicit particular responses. * depends upon two characteristics that, in the natural world, are found only in living organisms: energetic independence and teleology.
