What causes short-term habituation in Aplysia?
Aplysia exhibits a reflexive withdrawal of its gill and siphon in response to weak or moderate tactile stimulation of its skin. Repeated tactile stimulation causes this defensive withdrawal reflex to habituate.
What accounts for habituation of the gill withdrawal reflex in Aplysia?
Prolonged habituation of the gill-withdrawal reflex in Aplysia depends on protein synthesis, protein phosphatase activity, and postsynaptic glutamate receptors.
What is short-term habituation?
Short-term habituation is an attenuation of the startle response upon repeated presentation of startle stimuli within one session that is reversible within several minutes [5, 6]. The degree of attenuation varies between different animal species and different mouse strains [7, 8].
What accounts for habituation of the gill withdrawal reflex in Aplysia quizlet?
What accounts for the sensitization of the gill-withdrawal reflex in aplysia? Interneurons release serotonin, which increases the number of vesicles available to release glutamate from the sensory neuron. stimuli that signal whether a particular response will lead to a particular outcome.
What is responsible for habituation in Aplysia quizlet?
Results indicated that short-term habituation results from a presynaptic mechanism found to be a decrease in the number of neurotransmitters released per impulse and the sensitivity of the postsynaptic receptor remained unchanged.
Which statement is an example of habituation?
For example, a new sound in your environment, such as a new ringtone, may initially draw your attention or even become distracting. Over time, as you become accustomed to this sound, you pay less attention to the noise and your response to the sound will diminish. This diminished response is habituation.
What are examples of habituation?
For example, a new sound in your environment, such as a new ringtone, may initially draw your attention or even be distracting. Over time, as you become accustomed to this sound, you pay less attention to it and your response will diminish. This diminished response is habituation.
What is short-term sensitization?
During short-term sensitization, a simple form of nonassociative learning in Aplysia, the presentation of a single brief noxious stimulus results in enhancement of the defensive withdrawal reflex lasting minutes to tens of minutes.
Which of the following correctly describes habituation?
Which of the following best describes habituation? A reduction in an implicit behavior due to repeated exposure to the cause of the implicit behavior.
What is the difference between habituation and sensitization?
Habituation occurs when we learn not to respond to a stimulus that is presented repeatedly without change, punishment, or reward. Sensitization occurs when a reaction to a stimulus causes an increased reaction to a second stimulus. It is essentially an exaggerated startle response and is often seen in trauma survivors.
Where does habituation occur in Aplysia?
A photocell was placed under the gill to record amplitude and duration of the response elicited by the stimulus. Habituation was observed when the stimulus was delivered repeatedly to the siphon.