Pubertal stress decreases sexual motivation and supresses the relation between cerebral theta rhythms and testosterone levels in adult male rats
•Sexually-motivated male rats present negative correlation testosterone-EEG theta band.•Peripubertal stress decreases sexual motivation without changing sexual performance.•Peripubertal stress suppresses the correlation between testosterone and EEG theta band.•Amygdala and prefrontal cortex encoding...
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| creator | Hernández-Arteaga, Enrique Hernández-González, Marisela Bonilla-Jaime, Herlinda Guevara, Miguel Angel Ågmo, Anders |
| description | •Sexually-motivated male rats present negative correlation testosterone-EEG theta band.•Peripubertal stress decreases sexual motivation without changing sexual performance.•Peripubertal stress suppresses the correlation between testosterone and EEG theta band.•Amygdala and prefrontal cortex encoding reward-related properties of sexual stimuli.
This study evaluated the effect of stress during puberty on sexual motivation and the correlation between serum testosterone levels (T) and the absolute power of the theta electroencephalographic rhythms, recorded in the medial prefrontal cortex (mPFC) and basolateral amygdala (BLA) of adult male rats. Thirty males of the stressed group (SG, housed 1 per cage from days 25–50) and 30 controls (CG, housed 5 per cage), were tested in copulatory interactions at 90 days of age. The above mentioned physiological parameters were obtained during the awake-quiet state in a sub-group without sexual motivation (WSM, n = 15, stimulated with a nonreceptive female) and a sub-group with sexual motivation (SM, n = 15, stimulated with a receptive-female). Pearson correlations (r) between these parameters were calculated for each sub-group and brain structure and then compared between sub-groups. SG presented higher mount and intromission latencies than CG. While CG-WSM showed a positive r between T levels and theta band (0.23-0.59), those CG-SM presented a negative r (−0.23 to −0.67). An r that tended towards zero (−0.31 to 0.29) was obtained in both stressed sub-groups. This study shows that pubertal stress suppresses the relation between serum T levels and theta rhythms in the mPFC and BLA in adult male rats. This is one of the first studies evaluating the association between these two physiological parameters specifically in the context of sexual motivation; thus increasing our understanding of the effect of pubertal stress on prefrontal-amygdaline functioning during the sexually-motivated state in male rats. |
| doi_str_mv | 10.1016/j.brainres.2020.146937 |
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This study evaluated the effect of stress during puberty on sexual motivation and the correlation between serum testosterone levels (T) and the absolute power of the theta electroencephalographic rhythms, recorded in the medial prefrontal cortex (mPFC) and basolateral amygdala (BLA) of adult male rats. Thirty males of the stressed group (SG, housed 1 per cage from days 25–50) and 30 controls (CG, housed 5 per cage), were tested in copulatory interactions at 90 days of age. The above mentioned physiological parameters were obtained during the awake-quiet state in a sub-group without sexual motivation (WSM, n = 15, stimulated with a nonreceptive female) and a sub-group with sexual motivation (SM, n = 15, stimulated with a receptive-female). Pearson correlations (r) between these parameters were calculated for each sub-group and brain structure and then compared between sub-groups. SG presented higher mount and intromission latencies than CG. While CG-WSM showed a positive r between T levels and theta band (0.23-0.59), those CG-SM presented a negative r (−0.23 to −0.67). An r that tended towards zero (−0.31 to 0.29) was obtained in both stressed sub-groups. This study shows that pubertal stress suppresses the relation between serum T levels and theta rhythms in the mPFC and BLA in adult male rats. This is one of the first studies evaluating the association between these two physiological parameters specifically in the context of sexual motivation; thus increasing our understanding of the effect of pubertal stress on prefrontal-amygdaline functioning during the sexually-motivated state in male rats.</description><identifier>ISSN: 0006-8993</identifier><identifier>EISSN: 1872-6240</identifier><identifier>DOI: 10.1016/j.brainres.2020.146937</identifier><identifier>PMID: 32505750</identifier><language>eng</language><publisher>AMSTERDAM: Elsevier B.V</publisher><subject>EEG ; Life Sciences & Biomedicine ; Neurosciences ; Neurosciences & Neurology ; Prefrontal cortex ; Rats ; Science & Technology ; Sexual motivation ; Social isolation ; Testosterone</subject><ispartof>Brain research, 2020-10, Vol.1745, p.146937, Article 146937</ispartof><rights>2020</rights><rights>Copyright © 2020. Published by Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>2</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000541917100006</woscitedreferencesoriginalsourcerecordid><cites>FETCH-LOGICAL-e235t-23daf2e7794854bfc83e527a5abc3b87102bff8007b65fbdb6b9735b7a6399d93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.brainres.2020.146937$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,782,786,3554,27933,27934,28257,46004</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32505750$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hernández-Arteaga, Enrique</creatorcontrib><creatorcontrib>Hernández-González, Marisela</creatorcontrib><creatorcontrib>Bonilla-Jaime, Herlinda</creatorcontrib><creatorcontrib>Guevara, Miguel Angel</creatorcontrib><creatorcontrib>Ågmo, Anders</creatorcontrib><title>Pubertal stress decreases sexual motivation and supresses the relation between cerebral theta rhythms and testosterone levels in adult male rats</title><title>Brain research</title><addtitle>BRAIN RES</addtitle><addtitle>Brain Res</addtitle><description>•Sexually-motivated male rats present negative correlation testosterone-EEG theta band.•Peripubertal stress decreases sexual motivation without changing sexual performance.•Peripubertal stress suppresses the correlation between testosterone and EEG theta band.•Amygdala and prefrontal cortex encoding reward-related properties of sexual stimuli.
This study evaluated the effect of stress during puberty on sexual motivation and the correlation between serum testosterone levels (T) and the absolute power of the theta electroencephalographic rhythms, recorded in the medial prefrontal cortex (mPFC) and basolateral amygdala (BLA) of adult male rats. Thirty males of the stressed group (SG, housed 1 per cage from days 25–50) and 30 controls (CG, housed 5 per cage), were tested in copulatory interactions at 90 days of age. The above mentioned physiological parameters were obtained during the awake-quiet state in a sub-group without sexual motivation (WSM, n = 15, stimulated with a nonreceptive female) and a sub-group with sexual motivation (SM, n = 15, stimulated with a receptive-female). Pearson correlations (r) between these parameters were calculated for each sub-group and brain structure and then compared between sub-groups. SG presented higher mount and intromission latencies than CG. While CG-WSM showed a positive r between T levels and theta band (0.23-0.59), those CG-SM presented a negative r (−0.23 to −0.67). An r that tended towards zero (−0.31 to 0.29) was obtained in both stressed sub-groups. This study shows that pubertal stress suppresses the relation between serum T levels and theta rhythms in the mPFC and BLA in adult male rats. This is one of the first studies evaluating the association between these two physiological parameters specifically in the context of sexual motivation; thus increasing our understanding of the effect of pubertal stress on prefrontal-amygdaline functioning during the sexually-motivated state in male rats.</description><subject>EEG</subject><subject>Life Sciences & Biomedicine</subject><subject>Neurosciences</subject><subject>Neurosciences & Neurology</subject><subject>Prefrontal cortex</subject><subject>Rats</subject><subject>Science & Technology</subject><subject>Sexual motivation</subject><subject>Social isolation</subject><subject>Testosterone</subject><issn>0006-8993</issn><issn>1872-6240</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><recordid>eNqNkc1u3CAUhVHVqpmkfYWIfeQpBmPMrtGoaStFShbtGoG51jDyzwiuJ8lb5JGL4yTrrhD3fueAziHksmTbkpX1t8PWRRvGCGnLGc_DqtZCfSCbslG8qHnFPpINY6wuGq3FGTlP6ZCvQmj2mZwJLplUkm3I8_3sIKLtacJslqiHNoJNkGiCxznPhwnDyWKYRmpHT9N8XLi8xz3QCP26coAPACNtIUL-Wb9s0dK4f8L9kF6UCAmnhBCnEWgPJ-gTDdnUzz3SwfbZzWL6Qj51tk_w9fW8IH9vfvzZ_Spu737-3l3fFsCFxIILbzsOSumqkZXr2kaA5MpK61rhGlUy7rquYUy5WnbOu9ppJaRTthZaey0uyOXqe5zdAN4cYxhsfDJv0WSgWYEHcFOX2gBjC-9YzlJWpS7zQ0vKu4AvOeymecQsvfp_aaa_r3QOBE4BonlV-BChReOnYEpmltrNwbzVbpbazVq7-Ac1T6P3</recordid><startdate>20201015</startdate><enddate>20201015</enddate><creator>Hernández-Arteaga, Enrique</creator><creator>Hernández-González, Marisela</creator><creator>Bonilla-Jaime, Herlinda</creator><creator>Guevara, Miguel Angel</creator><creator>Ågmo, Anders</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>NPM</scope></search><sort><creationdate>20201015</creationdate><title>Pubertal stress decreases sexual motivation and supresses the relation between cerebral theta rhythms and testosterone levels in adult male rats</title><author>Hernández-Arteaga, Enrique ; Hernández-González, Marisela ; Bonilla-Jaime, Herlinda ; Guevara, Miguel Angel ; Ågmo, Anders</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e235t-23daf2e7794854bfc83e527a5abc3b87102bff8007b65fbdb6b9735b7a6399d93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>EEG</topic><topic>Life Sciences & Biomedicine</topic><topic>Neurosciences</topic><topic>Neurosciences & Neurology</topic><topic>Prefrontal cortex</topic><topic>Rats</topic><topic>Science & Technology</topic><topic>Sexual motivation</topic><topic>Social isolation</topic><topic>Testosterone</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hernández-Arteaga, Enrique</creatorcontrib><creatorcontrib>Hernández-González, Marisela</creatorcontrib><creatorcontrib>Bonilla-Jaime, Herlinda</creatorcontrib><creatorcontrib>Guevara, Miguel Angel</creatorcontrib><creatorcontrib>Ågmo, Anders</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>PubMed</collection><jtitle>Brain research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hernández-Arteaga, Enrique</au><au>Hernández-González, Marisela</au><au>Bonilla-Jaime, Herlinda</au><au>Guevara, Miguel Angel</au><au>Ågmo, Anders</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pubertal stress decreases sexual motivation and supresses the relation between cerebral theta rhythms and testosterone levels in adult male rats</atitle><jtitle>Brain research</jtitle><stitle>BRAIN RES</stitle><addtitle>Brain Res</addtitle><date>2020-10-15</date><risdate>2020</risdate><volume>1745</volume><spage>146937</spage><pages>146937-</pages><artnum>146937</artnum><issn>0006-8993</issn><eissn>1872-6240</eissn><abstract>•Sexually-motivated male rats present negative correlation testosterone-EEG theta band.•Peripubertal stress decreases sexual motivation without changing sexual performance.•Peripubertal stress suppresses the correlation between testosterone and EEG theta band.•Amygdala and prefrontal cortex encoding reward-related properties of sexual stimuli.
This study evaluated the effect of stress during puberty on sexual motivation and the correlation between serum testosterone levels (T) and the absolute power of the theta electroencephalographic rhythms, recorded in the medial prefrontal cortex (mPFC) and basolateral amygdala (BLA) of adult male rats. Thirty males of the stressed group (SG, housed 1 per cage from days 25–50) and 30 controls (CG, housed 5 per cage), were tested in copulatory interactions at 90 days of age. The above mentioned physiological parameters were obtained during the awake-quiet state in a sub-group without sexual motivation (WSM, n = 15, stimulated with a nonreceptive female) and a sub-group with sexual motivation (SM, n = 15, stimulated with a receptive-female). Pearson correlations (r) between these parameters were calculated for each sub-group and brain structure and then compared between sub-groups. SG presented higher mount and intromission latencies than CG. While CG-WSM showed a positive r between T levels and theta band (0.23-0.59), those CG-SM presented a negative r (−0.23 to −0.67). An r that tended towards zero (−0.31 to 0.29) was obtained in both stressed sub-groups. This study shows that pubertal stress suppresses the relation between serum T levels and theta rhythms in the mPFC and BLA in adult male rats. This is one of the first studies evaluating the association between these two physiological parameters specifically in the context of sexual motivation; thus increasing our understanding of the effect of pubertal stress on prefrontal-amygdaline functioning during the sexually-motivated state in male rats.</abstract><cop>AMSTERDAM</cop><pub>Elsevier B.V</pub><pmid>32505750</pmid><doi>10.1016/j.brainres.2020.146937</doi><tpages>12</tpages></addata></record> |
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| subjects | EEG Life Sciences & Biomedicine Neurosciences Neurosciences & Neurology Prefrontal cortex Rats Science & Technology Sexual motivation Social isolation Testosterone |
| title | Pubertal stress decreases sexual motivation and supresses the relation between cerebral theta rhythms and testosterone levels in adult male rats |
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