ErbB4 signaling in the prelimbic cortex regulates fear expression
نویسندگان
چکیده
منابع مشابه
The prelimbic cortex is critical for context-dependent fear expression
The ability to regulate emotional responses in various circumstances would provide adaptive advantages for an individual. Using a context-dependent fear discrimination (CDFD) task in which the tone conditioned stimulus (CS) is paired with the footshock unconditioned stimulus (US) in one context but presented alone in another context, we investigated the role of the prelimbic (PL) cortex in cont...
متن کاملActivity in prelimbic cortex subserves fear memory reconsolidation over time.
The prelimbic cortex has been implicated in the consolidation of previously learned fear. Herein, we report that temporarily inactivating this medial prefrontal cortex subregion with the GABAA agonist muscimol (4.0 nmol in 0.2 μL per hemisphere) was able to equally disrupt 1-, 7-, and 21-d-old contextual fear memories after their brief retrieval in rats. In all cases, this effect was prevented ...
متن کاملMicrostimulation reveals opposing influences of prelimbic and infralimbic cortex on the expression of conditioned fear.
Recent studies using lesion, infusion, and unit-recording techniques suggest that the infralimbic (IL) subregion of medial prefrontal cortex (mPFC) is necessary for the inhibition of conditioned fear following extinction. Brief microstimulation of IL paired with conditioned tones, designed to mimic neuronal tone responses, reduces the expression of conditioned fear to the tone. In the present s...
متن کاملPersistent prelimbic cortex activity contributes to enhanced learned fear expression in females.
Anxiety disorders, such as post-traumatic stress, are more prevalent in women and are characterized by impaired inhibition of learned fear and medial prefrontal cortex (mPFC) dysfunction. Here we examined sex differences in fear extinction and mPFC activity in rats. Females showed more learned fear expression during extinction and its recall, but not fear conditioning. They also showed more spo...
متن کاملThe prelimbic cortex uses higher-order cues to modulate both the acquisition and expression of conditioned fear
The prelimbic (PL) cortex allows rodents to adapt their responding under changing experimental circumstances. In line with this, the PL cortex has been implicated in strategy set shifting, attentional set shifting, the resolution of response conflict, and the modulation of attention towards predictive stimuli. One interpretation of this research is that the PL cortex is involved in using inform...
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ژورنال
عنوان ژورنال: Translational Psychiatry
سال: 2017
ISSN: 2158-3188
DOI: 10.1038/tp.2017.139