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González VV, Zhang Y, Ashikyan SA, Rickard A, Yassine I, Romero-Sosa JL, Blaisdell AP, Izquierdo A. A special role for anterior cingulate cortex, but not orbitofrontal cortex or basolateral amygdala, in choices involving information. Cereb Cortex 2024; 34:bhae135. [PMID: 38610085 PMCID: PMC11014886 DOI: 10.1093/cercor/bhae135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 02/09/2024] [Accepted: 03/13/2024] [Indexed: 04/14/2024] Open
Abstract
Subjects are often willing to pay a cost for information. In a procedure that promotes paradoxical choices, animals choose between a richer option followed by a cue that is rewarded 50% of the time (No Info) vs. a leaner option followed by one of two cues that signal certain outcomes: one always rewarded (100%) and the other never rewarded, 0% (Info). Since decisions involve comparing the subjective value of options after integrating all their features, preference for information may rely on cortico-amygdalar circuitry. To test this, male and female rats were prepared with bilateral inhibitory Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) in the anterior cingulate cortex, orbitofrontal cortex, basolateral amygdala, or null virus (control). We inhibited these regions after stable preference was acquired. We found that inhibition of the anterior cingulate cortex destabilized choice preference in female rats without affecting latency to choose or response rate to cues. A logistic regression fit revealed that previous choice predicted current choice in all conditions, however previously rewarded Info trials strongly predicted preference in all conditions except in female rats following anterior cingulate cortex inhibition. The results reveal a causal, sex-dependent role for the anterior cingulate cortex in decisions involving information.
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Affiliation(s)
- Valeria V González
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
| | - Yifan Zhang
- Department of Computer Science, University of Southern California, Salvatori Computer Science Center, 941 Bloom Walk, Los Angeles, CA 90089, United States
| | - Sonya A Ashikyan
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
| | - Anne Rickard
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
| | - Ibrahim Yassine
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
| | - Juan Luis Romero-Sosa
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
| | - Aaron P Blaisdell
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
- The Brain Research Institute, University of California-Los Angeles, 695 Charles E Young Dr S, Los Angeles, CA 90095, United States
- Integrative Center for Learning and Memory, University of California-Los Angeles, 695 Charles E Young Dr S, Los Angeles, CA 90095, United States
| | - Alicia Izquierdo
- Department of Psychology, University of California-Los Angeles, 502 Portola Plaza, Los Angeles, CA 90095, United States
- The Brain Research Institute, University of California-Los Angeles, 695 Charles E Young Dr S, Los Angeles, CA 90095, United States
- Integrative Center for Learning and Memory, University of California-Los Angeles, 695 Charles E Young Dr S, Los Angeles, CA 90095, United States
- Integrative Center for Addictions, University of California-Los Angeles, 695 Charles E Young Dr S, Los Angeles, CA 90095, United States
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González VV, Ashikyan SA, Zhang Y, Rickard A, Yassine I, Romero-Sosa JL, Blaisdell AP, Izquierdo A. A special role for anterior cingulate cortex, but not orbitofrontal cortex or basolateral amygdala, in choices involving information. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.03.551514. [PMID: 37577596 PMCID: PMC10418268 DOI: 10.1101/2023.08.03.551514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Subjects often are willing to pay a cost for information. In a procedure that promotes paradoxical choices, animals choose between a richer option followed by a cue that is rewarded 50% of the time (No-info) vs a leaner option followed by one of two cues that signal certain outcomes: one always rewarded (100%), and the other never rewarded, 0% (Info). Since decisions involve comparing the subjective value of options after integrating all their features, preference for information may rely on cortico-amygdalar circuitry. To test this, male and female rats were prepared with bilateral inhibitory DREADDs in the anterior cingulate cortex (ACC), orbitofrontal cortex (OFC), basolateral amygdala (BLA), or null virus (control). We inhibited these regions after stable preference was acquired. We found that inhibition of ACC destabilized choice preference in female rats without affecting latency to choose or response rate to cues. A logistic regression fit revealed that the previous choice strongly predicted preference in control animals, but not in female rats following ACC inhibition. The results reveal a causal, sex-dependent role for ACC in decisions involving information.
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