Flashcard Set Preview
Side ASide B
What is a Reflex?
It is a simple relation between a specific STIMULUS and an INNATE INVOLUNTARY RESPONSE. aka UNCONDITIONED or UNLEARNED reflex.
In a reflex, a RESPONSE is
ELICITED by a stimulus
Reflexes are highly __________
Reflexes are INVARIANT in :
FORM, FREQUENCY, STRENGTH, and TIME of appearance during DEVELOPMENT.
Reflexes are mediated by the ___________.
AUTONAMIC NERVOUS system (ANS)
Give Example of Reflex: Reflex related to loud sound
Loud sound produces a contraction of the tensor tympani and stapedius muscles, reducing the amplitude of ear vibration.
What is an UNCONDITIONED STIMULUS?
A stimulus which ELICITS and UNCONDITIONED RESPONSE without prior LEARNING; that is, due to an INNATE capacity to do so. Abbr. US
An UNCONDITIONED STIMULUS is the Stimulus part of __________.
UNCONDITIONAL STIMULUS term is only used when speaking about stimuli that relate to reflexes and _______
Give an Example of an UNCONDITIONED STIMULUS:
-Food is the US in the Salivation reflex -The puff of air is the US in the eye blink reflex -Rotten Food was the US that elicits vomiting.
An UNCONDITIONAL STIMULUS term is never used to refer to stimuli that relate to _____________
What is an UNCONDITIONED RESPONSE?
It is a response which is ELICITED by an UNCONDITIONED stimulus without prior LEARNING; due to PHYLOGENIC provenance.
An UNCONDITIONED RESPONSE is the RESPONSE part of a ______
GIVE AN EXAMPLE OF AN UNCONDITIONED RESPONSE.
-Salivating is the UR in the Salivation Reflex -Eye blinking is the UR in the blink reflex.