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1. Exploratory study of ultraviolet B (UVB) radiation and age of onset of bipolar disorder

Author

Bauer, Michael, Glenn, Tasha, Achtyes, Eric D., Alda, Martin, Agaoglu, Esen, Altınbaş, Kürsat, Andreassen, Ole A., Angelopoulos, Elias, Ardau, Raffaella, Aydin, Memduha, Ayhan, Yavuz, Baethge, Christopher, Bauer, Rita, Baune, Bernhard T., Balaban, Ceylan, Becerra-Palars, Claudia, Behere, Aniruddh P., Behere, Prakash B., Belete, Habte, Belete, Tilahun, Belizario, Gabriel Okawa, Bellivier, Frank, Belmaker, Robert H., Benedetti, Francesco, Berk, Michael, Bersudsky, Yuly, Bicakci, Şule, Birabwa-Oketcho, Harriet, Bjella, Thomas D., Brady, Conan, Cabrera, Jorge, Cappucciati, Marco, Castro, Angela Marianne Paredes, Chen, Wei-Ling, Cheung, Eric Y. W., Chiesa, Silvia, Crowe, Marie, Cuomo, Alessandro, Dallaspezia, Sara, Del Zompo, Maria, Desai, Pratikkumar, Dodd, Seetal, Etain, Bruno, Fagiolini, Andrea, Fellendorf, Frederike T., Ferensztajn-Rochowiak, Ewa, Fiedorowicz, Jess G., Fountoulakis, Kostas N., Frye, Mark A., Geoffroy, Pierre A., Gitlin, Michael J., Gonzalez-Pinto, Ana, Gottlieb, John F., Grof, Paul, Haarman, Bartholomeus C. M., Harima, Hirohiko, Hasse-Sousa, Mathias, Henry, Chantal, Hoffding, Lone, Houenou, Josselin, Imbesi, Massimiliano, Isometsä, Erkki T., Ivkovic, Maja, Janno, Sven, Johnsen, Simon, Kapczinski, Flávio, Karakatsoulis, Gregory N., Kardell, Mathias, Kessing, Lars Vedel, Kim, Seong Jae, König, Barbara, Kot, Timur L., Koval, Michael, Kunz, Mauricio, Lafer, Beny, Landén, Mikael, Larsen, Erik R., Lenger, Melanie, Licht, Rasmus W., Lopez-Jaramillo, Carlos, MacKenzie, Alan, Madsen, Helle Østergaard, Madsen, Simone Alberte Kongstad A., Mahadevan, Jayant, Mahardika, Agustine, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Monica, Martini, Julia, Martiny, Klaus, Mashima, Yuki, McLoughlin, Declan M., Meesters, Ybe, Melle, Ingrid, Meza-Urzúa, Fátima, Mikolas, Pavol, Mok, Yee Ming, Monteith, Scott, Moorthy, Muthukumaran, Morken, Gunnar, Mosca, Enrica, Mozzhegorov, Anton A., Munoz, Rodrigo, Mythri, Starlin V., Nacef, Fethi, Nadella, Ravi K., Nakanotani, Takako, Nielsen, René Ernst, O’Donovan, Claire, Omrani, Adel, Osher, Yamima, Ouali, Uta, Pantovic-Stefanovic, Maja, Pariwatcharakul, Pornjira, Petite, Joanne, Petzold, Johannes, Pfennig, Andrea, Ruiz, Yolanda Pica, Pinna, Marco, Pompili, Maurizio, Porter, Richard J., Quiroz, Danilo, Rabelo-da-Ponte, Francisco Diego, Ramesar, Raj, Rasgon, Natalie, Ratta-apha, Woraphat, Ratzenhofer, Michaela, Redahan, Maria, Reddy, M. S., Reif, Andreas, Reininghaus, Eva Z., Richards, Jenny Gringer, Ritter, Philipp, Rybakowski, Janusz K., Sathyaputri, Leela, Scippa, Angela M., Simhandl, Christian, Smith, Daniel, Smith, José, Stackhouse, Jr, Paul W., Stein, Dan J., Stilwell, Kellen, Strejilevich, Sergio, Su, Kuan-Pin, Subramaniam, Mythily, Sulaiman, Ahmad Hatim, Suominen, Kirsi, Tanra, Andi J., Tatebayashi, Yoshitaka, Teh, Wen Lin, Tondo, Leonardo, Torrent, Carla, Tuinstra, Daniel, Uchida, Takahito, Vaaler, Arne E., Vieta, Eduard, Viswanath, Biju, Yoldi-Negrete, Maria, Yalcinkaya, Oguz Kaan, Young, Allan H., Zgueb, Yosra, and Whybrow, Peter C.

Published
2023
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2. Association between polarity of first episode and solar insolation in bipolar I disorder

Author

Bauer, Michael, Glenn, Tasha, Achtyes, Eric D., Alda, Martin, Agaoglu, Esen, Altınbaş, Kürşat, Andreassen, Ole A., Angelopoulos, Elias, Ardau, Raffaella, Aydin, Memduha, Ayhan, Yavuz, Baethge, Christopher, Bauer, Rita, Baune, Bernhard T., Balaban, Ceylan, Becerra-Palars, Claudia, Behere, Aniruddh P., Behere, Prakash B., Belete, Habte, Belete, Tilahun, Belizario, Gabriel Okawa, Bellivier, Frank, Belmaker, Robert H., Benedetti, Francesco, Berk, Michael, Bersudsky, Yuly, Bicakci, Şule, Birabwa-Oketcho, Harriet, Bjella, Thomas D., Brady, Conan, Cabrera, Jorge, Cappucciati, Marco, Castro, Angela Marianne Paredes, Chen, Wei-Ling, Cheung, Eric Y.W., Chiesa, Silvia, Crowe, Marie, Cuomo, Alessandro, Dallaspezia, Sara, Del Zompo, Maria, Desai, Pratikkumar, Dodd, Seetal, Etain, Bruno, Fagiolini, Andrea, Fellendorf, Frederike T., Ferensztajn-Rochowiak, Ewa, Fiedorowicz, Jess G., Fountoulakis, Kostas N., Frye, Mark A., Geoffroy, Pierre A., Gonzalez-Pinto, Ana, Gottlieb, John F., Grof, Paul, Haarman, Bartholomeus C.M., Harima, Hirohiko, Hasse-Sousa, Mathias, Henry, Chantal, Høffding, Lone, Houenou, Josselin, Imbesi, Massimiliano, Isometsä, Erkki T., Ivkovic, Maja, Janno, Sven, Johnsen, Simon, Kapczinski, Flávio, Karakatsoulis, Gregory N., Kardell, Mathias, Kessing, Lars Vedel, Kim, Seong Jae, König, Barbara, Kot, Timur L., Koval, Michael, Kunz, Mauricio, Lafer, Beny, Landén, Mikael, Larsen, Erik R., Lenger, Melanie, Lewitzka, Ute, Licht, Rasmus W., Lopez-Jaramillo, Carlos, MacKenzie, Alan, Madsen, Helle Østergaard, Madsen, Simone Alberte Kongstad A., Mahadevan, Jayant, Mahardika, Agustine, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Monica, Martiny, Klaus, Mashima, Yuki, McLoughlin, Declan M., Meesters, Ybe, Melle, Ingrid, Meza-Urzúa, Fátima, Mok, Yee Ming, Monteith, Scott, Moorthy, Muthukumaran, Morken, Gunnar, Mosca, Enrica, Mozzhegorov, Anton A., Munoz, Rodrigo, Mythri, Starlin V., Nacef, Fethi, Nadella, Ravi K., Nakanotani, Takako, Nielsen, René Ernst, O'Donovan, Claire, Omrani, Adel, Osher, Yamima, Ouali, Uta, Pantovic-Stefanovic, Maja, Pariwatcharakul, Pornjira, Petite, Joanne, Pfennig, Andrea, Ruiz, Yolanda Pica, Pinna, Marco, Pompili, Maurizio, Porter, Richard, Quiroz, Danilo, Rabelo-da-Ponte, Francisco Diego, Ramesar, Raj, Rasgon, Natalie, Ratta-apha, Woraphat, Ratzenhofer, Michaela, Redahan, Maria, Reddy, M.S., Reif, Andreas, Reininghaus, Eva Z., Richards, Jenny Gringer, Ritter, Philipp, Rybakowski, Janusz K., Sathyaputri, Leela, Scippa, Ângela M., Simhandl, Christian, Smith, Daniel, Smith, José, Stackhouse, Paul W., Jr., Stein, Dan J., Stilwell, Kellen, Strejilevich, Sergio, Su, Kuan-Pin, Subramaniam, Mythily, Sulaiman, Ahmad Hatim, Suominen, Kirsi, Tanra, Andi J., Tatebayashi, Yoshitaka, Teh, Wen Lin, Tondo, Leonardo, Torrent, Carla, Tuinstra, Daniel, Uchida, Takahito, Vaaler, Arne E., Vieta, Eduard, Viswanath, Biju, Yoldi-Negrete, Maria, Yalcinkaya, Oguz Kaan, Young, Allan H., Zgueb, Yosra, and Whybrow, Peter C.

Published
2022
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3. Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder

Author

Bauer, Michael, Glenn, Tasha, Achtyes, Eric D., Alda, Martin, Agaoglu, Esen, Altınbaş, Kürşat, Andreassen, Ole A., Angelopoulos, Elias, Ardau, Raffaella, Vares, Edgar Arrua, Aydin, Memduha, Ayhan, Yavuz, Baethge, Christopher, Bauer, Rita, Baune, Bernhard T., Balaban, Ceylan, Becerra-Palars, Claudia, Behere, Aniruddh P., Behere, Prakash B., Belete, Habte, Belete, Tilahun, Belizario, Gabriel Okawa, Bellivier, Frank, Belmaker, Robert H., Benedetti, Francesco, Berk, Michael, Bersudsky, Yuly, Bicakci, Şule, Birabwa-Oketcho, Harriet, Bjella, Thomas D., Brady, Conan, Cabrera, Jorge, Cappucciati, Marco, Castro, Angela Marianne Paredes, Chen, Wei-Ling, Cheung, Eric Y. Wo, Chiesa, Silvia, Crowe, Marie, Cuomo, Alessandro, Dallaspezia, Sara, Del Zompo, Maria, Desai, Pratikkumar, Dodd, Seetal, Donix, Markus, Etain, Bruno, Fagiolini, Andrea, Fellendorf, Frederike T., Ferensztajn-Rochowiak, Ewa, Fiedorowicz, Jess G., Fountoulakis, Kostas N., Frye, Mark A., Geoffroy, Pierre A., Gonzalez-Pinto, Ana, Gottlieb, John F., Grof, Paul, Haarman, Bartholomeus C. M., Harima, Hirohiko, Hasse-Sousa, Mathias, Henry, Chantal, Høffding, Lone, Houenou, Josselin, Imbesi, Massimiliano, Isometsä, Erkki T., Ivkovic, Maja, Janno, Sven, Johnsen, Simon, Kapczinski, Flávio, Karakatsoulis, Gregory N., Kardell, Mathias, Kessing, Lars Vedel, Kim, Seong Jae, König, Barbara, Kot, Timur L., Koval, Michael, Kunz, Mauricio, Lafer, Beny, Landén, Mikael, Larsen, Erik R., Lenger, Melanie, Lewitzka, Ute, Licht, Rasmus W., Lopez-Jaramillo, Carlos, MacKenzie, Alan, Madsen, Helle Østergaard, Madsen, Simone Alberte Kongstad A., Mahadevan, Jayant, Mahardika, Agustine, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Monica, Martiny, Klaus, Mashima, Yuki, McLoughlin, Declan M., Meesters, Ybe, Melle, Ingrid, Meza-Urzúa, Fátima, Ming, Mok Yee, Monteith, Scott, Moorthy, Muthukumaran, Morken, Gunnar, Mosca, Enrica, Mozzhegorov, Anton A., Munoz, Rodrigo, Mythri, Starlin V., Nacef, Fethi, Nadella, Ravi K., Nakanotani, Takako, Nielsen, René Ernst, O‘Donovan, Claire, Omrani, Adel, Osher, Yamima, Ouali, Uta, Pantovic-Stefanovic, Maja, Pariwatcharakul, Pornjira, Petite, Joanne, Pfennig, Andrea, Ruiz, Yolanda Pica, Pilhatsch, Maximilian, Pinna, Marco, Pompili, Maurizio, Porter, Richard, Quiroz, Danilo, Rabelo-da-Ponte, Francisco Diego, Ramesar, Raj, Rasgon, Natalie, Ratta-apha, Woraphat, Ratzenhofer, Michaela, Redahan, Maria, Reddy, M. S., Reif, Andreas, Reininghaus, Eva Z., Richards, Jenny Gringer, Ritter, Philipp, Rybakowski, Janusz K., Sathyaputri, Leela, Scippa, Ângela M., Simhandl, Christian, Severus, Emanuel, Smith, Daniel, Smith, José, Stackhouse, Jr., Paul W., Stein, Dan J., Stilwell, Kellen, Strejilevich, Sergio, Su, Kuan-Pin, Subramaniam, Mythily, Sulaiman, Ahmad Hatim, Suominen, Kirsi, Tanra, Andi J., Tatebayashi, Yoshitaka, Teh, Wen Lin, Tondo, Leonardo, Torrent, Carla, Tuinstra, Daniel, Uchida, Takahito, Vaaler, Arne E., Veeh, Julia, Vieta, Eduard, Viswanath, Biju, Yoldi-Negrete, Maria, Yalcinkaya, Oguz Kaan, Young, Allan H., Zgueb, Yosra, and Whybrow, Peter C.

Published
2021
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4. Association between solar insolation and a history of suicide attempts in bipolar I disorder

Author

Bauer, Michael, Glenn, Tasha, Alda, Martin, Andreassen, Ole A., Angelopoulos, Elias, Ardau, Raffaella, Ayhan, Yavuz, Baethge, Christopher, Bauer, Rita, Baune, Bernhard T., Becerra-Palars, Claudia, Bellivier, Frank, Belmaker, Robert H., Berk, Michael, Bersudsky, Yuly, Bicakci, Şule, Birabwa-Oketcho, Harriet, Bjella, Thomas D., Cabrera, Jorge, Wo Cheung, Eric Y., Del Zompo, Maria, Dodd, Seetal, Donix, Markus, Etain, Bruno, Fagiolini, Andrea, Fountoulakis, Kostas N., Frye, Mark A., Gonzalez-Pinto, Ana, Gottlieb, John F., Grof, Paul, Harima, Hirohiko, Henry, Chantal, Isometsä, Erkki T., Janno, Sven, Kapczinski, Flávio, Kardell, Mathias, Khaldi, Slim, Kliwicki, Sebastian, König, Barbara, Kot, Timur L., Krogh, Rikke, Kunz, Mauricio, Lafer, Beny, Landén, Mikael, Larsen, Erik R., Lewitzka, Ute, Licht, Rasmus W., Lopez-Jaramillo, Carlos, MacQueen, Glenda, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Mónica, Melle, Ingrid, Meza-Urzúa, Fátima, Ming, Mok Yee, Monteith, Scott, Morken, Gunnar, Mosca, Enrica, Mozzhegorov, Anton A., Munoz, Rodrigo, Mythri, Starlin V., Nacef, Fethi, Nadella, Ravi K., Nery, Fabiano G., Nielsen, René E., O'Donovan, Claire, Omrani, Adel, Osher, Yamima, Sørensen, Helle Østermark, Ouali, Uta, Ruiz, Yolanda Pica, Pilhatsch, Maximilian, Pinna, Marco, da Ponte, Francisco D.R., Quiroz, Danilo, Ramesar, Raj, Rasgon, Natalie, Reddy, M.S., Reif, Andreas, Ritter, Philipp, Rybakowski, Janusz K., Sagduyu, Kemal, Raghuraman, Bharathram Sathur, Scippa, Ângela M., Severus, Emanuel, Simhandl, Christian, Stackhouse, Paul W., Jr., Stein, Dan J., Strejilevich, Sergio, Subramaniam, Mythily, Sulaiman, Ahmad Hatim, Suominen, Kirsi, Tagata, Hiromi, Tatebayashi, Yoshitaka, Tondo, Leonardo, Torrent, Carla, Vaaler, Arne E., Vares, Edgar, Veeh, Julia, Vieta, Eduard, Viswanath, Biju, Yoldi-Negrete, Maria, Zetin, Mark, Zgueb, Yosra, and Whybrow, Peter C.

Published
2019
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6. Influence of light exposure during early life on the age of onset of bipolar disorder

Author

Bauer, Michael, Glenn, Tasha, Alda, Martin, Andreassen, Ole A., Angelopoulos, Elias, Ardau, Raffaella, Baethge, Christopher, Bauer, Rita, Baune, Bernhard T., Bellivier, Frank, Belmaker, Robert H., Berk, Michael, Bjella, Thomas D., Bossini, Letizia, Bersudsky, Yuly, Wo Cheung, Eric Yat, Conell, Jörn, Del Zompo, Maria, Dodd, Seetal, Etain, Bruno, Fagiolini, Andrea, Frye, Mark A., Fountoulakis, Kostas N., Garneau-Fournier, Jade, Gonzalez-Pinto, Ana, Gottlieb, John F., Harima, Hirohiko, Hassel, Stefanie, Henry, Chantal, Iacovides, Apostolos, Isometsä, Erkki T., Kapczinski, Flávio, Kliwicki, Sebastian, König, Barbara, Krogh, Rikke, Kunz, Mauricio, Lafer, Beny, Larsen, Erik R., Lewitzka, Ute, Lopez-Jaramillo, Carlos, MacQueen, Glenda, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Mónica, Melle, Ingrid, Monteith, Scott, Morken, Gunnar, Munoz, Rodrigo, Nery, Fabiano G., O'Donovan, Claire, Osher, Yamima, Pfennig, Andrea, Quiroz, Danilo, Ramesar, Raj, Rasgon, Natalie, Reif, Andreas, Ritter, Philipp, Rybakowski, Janusz K., Sagduyu, Kemal, Miranda- Scippa, Ângela, Severus, Emanuel, Simhandl, Christian, Stein, Dan J., Strejilevich, Sergio, Sulaiman, Ahmad Hatim, Suominen, Kirsi, Tagata, Hiromi, Tatebayashi, Yoshitaka, Torrent, Carla, Vieta, Eduard, Viswanath, Biju, Wanchoo, Mihir J., Zetin, Mark, and Whybrow, Peter C.

Published
2015
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8. Relationship between sunlight and the age of onset of bipolar disorder: An international multisite study

Author

Bauer, Michael, Glenn, Tasha, Alda, Martin, Andreassen, Ole A., Angelopoulos, Elias, Ardau, Raffaella, Baethge, Christopher, Bauer, Rita, Bellivier, Frank, Belmaker, Robert H., Berk, Michael, Bjella, Thomas D., Bossini, Letizia, Bersudsky, Yuly, Cheung, Eric Yat Wo, Conell, Jörn, Zompo, Maria Del, Dodd, Seetal, Etain, Bruno, Fagiolini, Andrea, Frye, Mark A., Fountoulakis, Kostas N., Garneau-Fournier, Jade, González-Pinto, Ana, Harima, Hirohiko, Hassel, Stefanie, Henry, Chantal, Iacovides, Apostolos, Isometsä, Erkki T., Kapczinski, Flávio, Kliwicki, Sebastian, König, Barbara, Krogh, Rikke, Kunz, Mauricio, Lafer, Beny, Larsen, Erik R., Lewitzka, Ute, Lopez-Jaramillo, Carlos, MacQueen, Glenda, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Mónica, Melle, Ingrid, Monteith, Scott, Morken, Gunnar, Munoz, Rodrigo, Nery, Fabiano G., O’Donovan, Claire, Osher, Yamima, Pfennig, Andrea, Quiroz, Danilo, Ramesar, Raj, Rasgon, Natalie, Reif, Andreas, Ritter, Philipp, Rybakowski, Janusz K., Sagduyu, Kemal, Scippa, Ângela M., Severus, Emanuel, Simhandl, Christian, Stein, Dan J., Strejilevich, Sergio, Hatim Sulaiman, Ahmad, Suominen, Kirsi, Tagata, Hiromi, Tatebayashi, Yoshitaka, Torrent, Carla, Vieta, Eduard, Viswanath, Biju, Wanchoo, Mihir J., Zetin, Mark, and Whybrow, Peter C.

Published
2014
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11. Impact of sunlight on the age of onset of bipolar disorder

Author

Bauer, Michael, Glenn, Tasha, Alda, Martin, Andreassen, Ole A, Ardau, Raffaella, Bellivier, Frank, Berk, Michael, Bjella, Thomas D, Bossini, Letizia, Del Zompo, Maria, Dodd, Seetal, Fagiolini, Andrea, Frye, Mark A, Gonzalez-Pinto, Ana, Henry, Chantal, Kapczinski, Flávio, Kliwicki, Sebastian, König, Barbara, Kunz, Mauricio, Lafer, Beny, Lopez-Jaramillo, Carlos, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Mónica, Melle, Ingrid, Morken, Gunnar, Munoz, Rodrigo, Nery, Fabiano G, O’Donovan, Claire, Pfennig, Andrea, Quiroz, Danilo, Rasgon, Natalie, Reif, Andreas, Rybakowski, Janusz, Sagduyu, Kemal, Simhandl, Christian, Torrent, Carla, Vieta, Eduard, Zetin, Mark, and Whybrow, Peter C

Published
2012
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14. Influence of light exposure during early life on the age of onset of bipolar disorder

Author

Bauer, Michael Glenn, Tasha Alda, Martin Andreassen, Ole A. and Angelopoulos, Elias Ardau, Raffaella Baethge, Christopher and Bauer, Rita Baune, Bernhard T. Bellivier, Frank and Belmaker, Robert H. Berk, Michael Bjella, Thomas D. Bossini, Letizia Bersudsky, Yuly Cheung, Eric Yat Wo Conell, Joern and Del Zompo, Maria Dodd, Seetal Etain, Bruno Fagiolini, Andrea Frye, Mark A. Fountoulakis, Kostas N. and Garneau-Fournier, Jade Gonzalez-Pinto, Ana Gottlieb, John F. and Harima, Hirohiko Hassel, Stefanie Henry, Chantal Iacovides, Apostolos Isometsa, Erkki T. Kapczinski, Flavio Kliwicki, Sebastian Koenig, Barbara Krogh, Rikke Kunz, Mauricio and Lafer, Beny Larsen, Erik R. Lewitzka, Ute Lopez-Jaramillo, Carlos MacQueen, Glenda Manchia, Mirko Marsh, Wendy and Martinez-Cengotitabengo, Monica Melle, Ingrid Monteith, Scott and Morken, Gunnar Munoz, Rodrigo Nery, Fabiano G. and O'Donovan, Claire Osher, Yamima Pfennig, Andrea Quiroz, Danilo Ramesar, Raj Rasgon, Natalie Reif, Andreas and Ritter, Philipp Rybakowski, Janusz K. Sagduyu, Kemal and Miranda-Scippa, Angela Severus, Emanuel Simhandl, Christian and Stein, Dan J. Strejilevich, Sergio Sulaiman, Ahmad Hatim and Suominen, Kirsi Tagata, Hiromi Tatebayashi, Yoshitaka and Torrent, Carla Vieta, Eduard Viswanath, Biju Wanchoo, Mihir J. Zetin, Mark Whybrow, Peter C.

Abstract

Background: Environmental conditions early in life may imprint the circadian system and influence response to environmental signals later in life. We previously determined that a large springtime increase in solar insolation at the onset location was associated with a younger age of onset of bipolar disorder, especially with a family history of mood disorders. This study investigated whether the hours of daylight at the birth location affected this association. Methods: Data collected previously at 36 collection sites from 23 countries were available for 3896 patients with bipolar I disorder, born between latitudes of 1.4 N and 70.7 N, and 1.2 S and 413 S. Hours of daylight variables for the birth location were added to a base model to assess. the relation between the age of onset and solar insolation. Results: More hours of daylight at the birth location during early life was associated with an older age of onset, suggesting reduced vulnerability to the future circadian challenge of the springtime increase in solar insolation at the onset location. Addition of the minimum of the average monthly hours of daylight during the first 3 months of life improved the base model, with a significant positive relationship to age of onset. Coefficients for all other variables remained stable, significant and consistent with the base model. Conclusions: Light exposure during early life may have important consequences for those who are susceptible to bipolar disorder, especially at latitudes with little natural light in winter. This study indirectly supports the concept that early life exposure to light may affect the long term adaptability to respond to a circadian challenge later in life. (C) 2015 Elsevier Ltd. All rights reserved.

Published
2015

16. Relationship between sunlight and the age of onset of bipolar disorder: An international multisite study

Author

Bauer, Michael Glenn, Tasha Alda, Martin Andreassen, Ole A. and Angelopoulos, Elias Ardau, Raffaella Baethge, Christopher and Bauer, Rita Bellivier, Frank Belmaker, Robert H. Berk, Michael Bjella, Thomas D. Bossini, Letizia Bersudsky, Yuly and Cheung, Eric Yat Wo Conell, Jorn Del Zompo, Maria Dodd, Seetal Etain, Bruno Fagiolini, Andrea Frye, Mark A. and Fountoulakis, Kostas N. Garneau-Fournier, Jade Gonzalez-Pinto, Ana Harima, Hirohiko Hassel, Stefanie Henry, Chantal and Iacovides, Apostolos Isometsa, Erkki T. Kapczinski, Flavio and Kliwicki, Sebastian Koenig, Barbara Krogh, Rikke Kunz, Mauricio Lafer, Beny Larsen, Erik R. Lewitzka, Ute and Lopez-Jaramillo, Carlos MacQueen, Glenda Manchia, Mirko and Marsh, Wendy Martinez-Cengotitabengoa, Monica Melle, Ingrid and Monteith, Scott Morken, Gunnar Munoz, Rodrigo Nery, Fabiano G. O'Donovan, Claire Osher, Yamima Pfennig, Andrea and Quiroz, Danilo Ramesar, Raj Rasgon, Natalie Reif, Andreas and Ritter, Philipp Rybakowski, Janusz K. Sagduyu, Kemal and Scippa, Angela M. Severus, Emanuel Simhandl, Christian and Stein, Dan J. Strejilevich, Sergio Sulaiman, Ahmad Hatim and Suominen, Kirsi Tagata, Hiromi Tatebayashi, Yoshitaka and Torrent, Carla Vieta, Eduard Viswanath, Biju Wanchoo, Mihir J. Zetin, Mark Whybrow, Peter C.

Abstract

Background: The onset of bipolar disorder is influenced by the interaction of genetic and environmental factors. We previously found that a large increase in sunlight in springtime was associated with a lower age of onset. This study extends this analysis with more collection sites at diverse locations, and includes family history and polarity of first episode. Methods: Data from 4037 patients with bipolar I disorder were collected at 36 collection sites in 23 countries at latitudes spanning 3.2 north (N) to 63.4 N and 38.2 south (S) of the equator. The age of onset of the first episode, onset location, family history of mood disorders, and polarity of first episode were obtained retrospectively, from patient records and/or direct interview. Solar insolation data were obtained for the onset locations. Results: There was a large, significant inverse relationship between maximum monthly increase in solar insolation and age of onset, controlling for the country median age and the birth cohort. The effect was reduced by half if there was no family history. The maximum monthly increase in solar insolation occurred in springtime. The effect was one-third smaller for initial episodes of mania than depression. The largest maximum monthly increase in solar insolation occurred in northern latitudes such as Oslo, Norway, and warm and dry areas such as Los Angeles, California. Limitations: Recall bias for onset and family history data. Conclusions: A large springtime increase in sunlight may have an important influence on the onset of bipolar disorder, especially in those with a family history of mood disorders. (C) 2014 Elsevier B.V. All rights reserved.

Published
2014

17. Hypomania Checklist--Modified

Author

Prieto, Miguel L., primary, Youngstrom, Eric A., additional, Ozerdem, Aysegul, additional, Altinbas, Kursat, additional, Quiroz, Danilo, additional, Aydemir, Omer, additional, Yalin, Nefize, additional, Geske, Jennifer R., additional, Feeder, Scott E., additional, Angst, Jules, additional, and Frye, Mark A., additional

Published
2015
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18. High prevalence of thyroid dysfunction among psychiatric inpatients

Author

Valdivieso F, Sergio, Kripper, Cristóbal, Ivelic, José Antonio, Fardella, Carlos, Gloger, Sergio, and Quiroz, Danilo

Subjects
Thyroid diseases, endocrine system, endocrine system diseases, Psychiatric, Mental disorders, Hospitals
Abstract

Thyroid dysfunction is frecuent in psychiatric outpatients and in the general Chilean population but there is no information about the prevalence of thyroid diseases in Chilean psychiatric inpatients. Aim: To retrospectively assess the frequency of thyroidal diseases in psychiatric inpatients. Material and Methods: Clinical charts and thyroid assessment of 241 psychiatric inpatients (147 women, mean age 33±16 years) attended in a University Psychiatric Clinic, were reviewed. Psychiatric diagnosis at discharge was made according to DSM IV criteria and endocrine diagnosis was made based on international criteria. Results: Forty nine patients (20.7%) had thyroid abnormalities. Forty four patients had hypothyroidism (18.3%) and five had hyperthyroidism (2.35%). No specific associations were found between gender or psychiatric diagnosis and endocrine abnormalities. Conclusions: In this sample, the prevalence of thyroid abnormalities was similar to other reports in psychiatric inpatiens and higher than in the general population in Chile

Published
2006

19. [Mood disorders, psychopharmacology and thyroid hormones]

Author

Quiroz, Danilo, Sergio, Gloger, Sergio, Valdivieso, José, Ivelic, and Carlos, Fardella

Subjects
Central Nervous System, Thyroxine, Hypothyroidism, Mood Disorders, Thyroid Gland, Humans, Triiodothyronine, Drug Interactions, Hyperthyroidism
Abstract

For more than 40 years thyroid hormones and mood disorders have been associated. Some psychiatric symptoms are produced by thyroid illnesses and there is a frequent association of thyroid dysfunction with mood disorders. Therefore, routine thyroid function assessment in patients with mood disorders and the treatment of sub-clinical thyroid dysfunctions is recommended. The usefulness of adding thyroid hormones to antidepressive treatment in euthyroid patients to obtain a potentiation effect has been probed repeatedly. The most common strategy is potentiation with T3, but high doses of T4 have been also used in patients with resistant depression. Thyroid hormones exert their action in the central nervous system through a variety of mechanisms: modulation of gene expression of several groups of proteins, some of them with known physiopathological implications in mood disorders and the influence over serotonin and noradrenergic neurotransmission, known to be one of the modes of action of antidepressants. Finally, it is also important to stress the complex relationship between psychiatric drugs, deiodinases and thyroid hormones, that can potentially help to understand the mechanisms of action of these drugs.

Published
2005

20. Brief depressive symptoms in patients with bipolar disorder: Analysis of long-term self-reported data

Author

Bauer, Michael, Glenn, Tasha, Keil, Michael, Bauer, Rita, Marsh, Wendy, Grof, Paul, Alda, Martin, Sagduyu, Kemal, Murray, Greg, Quiroz, Danilo, Baethge, Christopher, Whybrow, Peter C., Bauer, Michael, Glenn, Tasha, Keil, Michael, Bauer, Rita, Marsh, Wendy, Grof, Paul, Alda, Martin, Sagduyu, Kemal, Murray, Greg, Quiroz, Danilo, Baethge, Christopher, and Whybrow, Peter C.

Abstract

Objective: Most patients with bipolar disorder experience depressive symptoms outside of an episode of depression as defined by DSM-IV criteria. This study explores the frequency of brief depressive episodes, lasting 1 to 4 days, using daily self-reported mood ratings. Method: Mood ratings were obtained from 448 patients (281 bipolar I, 167 bipolar II) using ChronoRecord software (91,786 total days). Episodes of depression and days of depression outside of episodes were determined. The intensity of depressive symptoms (mild versus moderate to severe) was compared. Results: Using the DSM-IV length criteria, 61% of all depressive days occurred outside of a depressed episode. Decreasing the minimum length criterion to 2 days, both the number of patients experiencing a depressed episode (128 to 317) and the mean percent of days spent in a depressed episode by each patient (7.9% to 17.8.%) increased by about 21/2 times, and 34.3% of depressed days remained outside of an episode. Depending on the episode length, the proportion of days within an episode with severe symptoms varied from 1/3 to 1/4 for episodes lasting from 14 to 2 days, and 1/4 for single-day episodes. There was no significant difference in the frequency of brief depressive episodes between bipolar I and II disorders. For all episode lengths, patients taking antidepressants spent 4% more days within an episode and 6% more days with depressive symptoms outside of an episode than those not taking antidepressants. Conclusion: Brief depressive episodes lasting 1 to 4 days occur frequently in bipolar disorder and do not distinguish between bipolar I and II disorders. Symptoms of moderate to severe intensity occur on 1/4 to 1/3 of the days in brief depressive episodes. This study did not address brief depression in those without bipolar disorder. Patients taking antidepressants experienced more brief depressive episodes. Controlled trials are needed to assess the impact of antidepressants on subsyndromal depressi

Published
2012

22. Relationship among latitude, climate, season and self-reported mood in bipolar disorder

Author

Bauer, Michael, primary, Glenn, Tasha, additional, Grof, Paul, additional, Rasgon, Natalie L., additional, Marsh, Wendy, additional, Sagduyu, Kemal, additional, Alda, Martin, additional, Murray, Greg, additional, Quiroz, Danilo, additional, Malliaris, Yanni, additional, Sasse, Johanna, additional, Pilhatsch, Maximilian, additional, and Whybrow, Peter C., additional

Published
2009
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26. Association between polarity of first episode and solar insolation in bipolar I disorder

Author

Michael Bauer, Tasha Glenn, Eric D. Achtyes, Martin Alda, Esen Agaoglu, Kürşat Altınbaş, Ole A. Andreassen, Elias Angelopoulos, Raffaella Ardau, Memduha Aydin, Yavuz Ayhan, Christopher Baethge, Rita Bauer, Bernhard T. Baune, Ceylan Balaban, Claudia Becerra-Palars, Aniruddh P. Behere, Prakash B. Behere, Habte Belete, Tilahun Belete, Gabriel Okawa Belizario, Frank Bellivier, Robert H. Belmaker, Francesco Benedetti, Michael Berk, Yuly Bersudsky, Şule Bicakci, Harriet Birabwa-Oketcho, Thomas D. Bjella, Conan Brady, Jorge Cabrera, Marco Cappucciati, Angela Marianne Paredes Castro, Wei-Ling Chen, Eric Y.W. Cheung, Silvia Chiesa, Marie Crowe, Alessandro Cuomo, Sara Dallaspezia, Maria Del Zompo, Pratikkumar Desai, Seetal Dodd, Bruno Etain, Andrea Fagiolini, Frederike T. Fellendorf, Ewa Ferensztajn-Rochowiak, Jess G. Fiedorowicz, Kostas N. Fountoulakis, Mark A. Frye, Pierre A. Geoffroy, Ana Gonzalez-Pinto, John F. Gottlieb, Paul Grof, Bartholomeus C.M. Haarman, Hirohiko Harima, Mathias Hasse-Sousa, Chantal Henry, Lone Høffding, Josselin Houenou, Massimiliano Imbesi, Erkki T. Isometsä, Maja Ivkovic, Sven Janno, Simon Johnsen, Flávio Kapczinski, Gregory N. Karakatsoulis, Mathias Kardell, Lars Vedel Kessing, Seong Jae Kim, Barbara König, Timur L. Kot, Michael Koval, Mauricio Kunz, Beny Lafer, Mikael Landén, Erik R. Larsen, Melanie Lenger, Ute Lewitzka, Rasmus W. Licht, Carlos Lopez-Jaramillo, Alan MacKenzie, Helle Østergaard Madsen, Simone Alberte Kongstad A. Madsen, Jayant Mahadevan, Agustine Mahardika, Mirko Manchia, Wendy Marsh, Monica Martinez-Cengotitabengoa, Klaus Martiny, Yuki Mashima, Declan M. McLoughlin, Ybe Meesters, Ingrid Melle, Fátima Meza-Urzúa, Yee Ming Mok, Scott Monteith, Muthukumaran Moorthy, Gunnar Morken, Enrica Mosca, Anton A. Mozzhegorov, Rodrigo Munoz, Starlin V. Mythri, Fethi Nacef, Ravi K. Nadella, Takako Nakanotani, René Ernst Nielsen, Claire O'Donovan, Adel Omrani, Yamima Osher, Uta Ouali, Maja Pantovic-Stefanovic, Pornjira Pariwatcharakul, Joanne Petite, Andrea Pfennig, Yolanda Pica Ruiz, Marco Pinna, Maurizio Pompili, Richard Porter, Danilo Quiroz, Francisco Diego Rabelo-da-Ponte, Raj Ramesar, Natalie Rasgon, Woraphat Ratta-apha, Michaela Ratzenhofer, Maria Redahan, M.S. Reddy, Andreas Reif, Eva Z. Reininghaus, Jenny Gringer Richards, Philipp Ritter, Janusz K. Rybakowski, Leela Sathyaputri, Ângela M. Scippa, Christian Simhandl, Daniel Smith, José Smith, Paul W. Stackhouse, Dan J. Stein, Kellen Stilwell, Sergio Strejilevich, Kuan-Pin Su, Mythily Subramaniam, Ahmad Hatim Sulaiman, Kirsi Suominen, Andi J. Tanra, Yoshitaka Tatebayashi, Wen Lin Teh, Leonardo Tondo, Carla Torrent, Daniel Tuinstra, Takahito Uchida, Arne E. Vaaler, Eduard Vieta, Biju Viswanath, Maria Yoldi-Negrete, Oguz Kaan Yalcinkaya, Allan H. Young, Yosra Zgueb, Peter C. Whybrow, Clinical Cognitive Neuropsychiatry Research Program (CCNP), Bauer, Michael, Glenn, Tasha, Achtyes, Eric D, Alda, Martin, Agaoglu, Esen, Altınbaş, Kürşat, Andreassen, Ole A, Angelopoulos, Elia, Ardau, Raffaella, Aydin, Memduha, Ayhan, Yavuz, Baethge, Christopher, Bauer, Rita, Baune, Bernhard T, Balaban, Ceylan, Becerra-Palars, Claudia, Behere, Aniruddh P, Behere, Prakash B, Belete, Habte, Belete, Tilahun, Belizario, Gabriel Okawa, Bellivier, Frank, Belmaker, Robert H, Benedetti, Francesco, Berk, Michael, Bersudsky, Yuly, Bicakci, Şule, Birabwa-Oketcho, Harriet, Bjella, Thomas D, Brady, Conan, Cabrera, Jorge, Cappucciati, Marco, Castro, Angela Marianne Parede, Chen, Wei-Ling, Cheung, Eric Y W, Chiesa, Silvia, Crowe, Marie, Cuomo, Alessandro, Dallaspezia, Sara, Del Zompo, Maria, Desai, Pratikkumar, Dodd, Seetal, Etain, Bruno, Fagiolini, Andrea, Fellendorf, Frederike T, Ferensztajn-Rochowiak, Ewa, Fiedorowicz, Jess G, Fountoulakis, Kostas N, Frye, Mark A, Geoffroy, Pierre A, Gonzalez-Pinto, Ana, Gottlieb, John F, Grof, Paul, Haarman, Bartholomeus C M, Harima, Hirohiko, Hasse-Sousa, Mathia, Henry, Chantal, Høffding, Lone, Houenou, Josselin, Imbesi, Massimiliano, Isometsä, Erkki T, Ivkovic, Maja, Janno, Sven, Johnsen, Simon, Kapczinski, Flávio, Karakatsoulis, Gregory N, Kardell, Mathia, Kessing, Lars Vedel, Kim, Seong Jae, König, Barbara, Kot, Timur L, Koval, Michael, Kunz, Mauricio, Lafer, Beny, Landén, Mikael, Larsen, Erik R, Lenger, Melanie, Lewitzka, Ute, Licht, Rasmus W, Lopez-Jaramillo, Carlo, Mackenzie, Alan, Madsen, Helle Østergaard, Madsen, Simone Alberte Kongstad A, Mahadevan, Jayant, Mahardika, Agustine, Manchia, Mirko, Marsh, Wendy, Martinez-Cengotitabengoa, Monica, Martiny, Klau, Mashima, Yuki, Mcloughlin, Declan M, Meesters, Ybe, Melle, Ingrid, Meza-Urzúa, Fátima, Mok, Yee Ming, Monteith, Scott, Moorthy, Muthukumaran, Morken, Gunnar, Mosca, Enrica, Mozzhegorov, Anton A, Munoz, Rodrigo, Mythri, Starlin V, Nacef, Fethi, Nadella, Ravi K, Nakanotani, Takako, Nielsen, René Ernst, O'Donovan, Claire, Omrani, Adel, Osher, Yamima, Ouali, Uta, Pantovic-Stefanovic, Maja, Pariwatcharakul, Pornjira, Petite, Joanne, Pfennig, Andrea, Ruiz, Yolanda Pica, Pinna, Marco, Pompili, Maurizio, Porter, Richard, Quiroz, Danilo, Rabelo-da-Ponte, Francisco Diego, Ramesar, Raj, Rasgon, Natalie, Ratta-Apha, Woraphat, Ratzenhofer, Michaela, Redahan, Maria, Reddy, M S, Reif, Andrea, Reininghaus, Eva Z, Richards, Jenny Gringer, Ritter, Philipp, Rybakowski, Janusz K, Sathyaputri, Leela, Scippa, Ângela M, Simhandl, Christian, Smith, Daniel, Smith, José, Stackhouse, Paul W, Stein, Dan J, Stilwell, Kellen, Strejilevich, Sergio, Su, Kuan-Pin, Subramaniam, Mythily, Sulaiman, Ahmad Hatim, Suominen, Kirsi, Tanra, Andi J, Tatebayashi, Yoshitaka, Teh, Wen Lin, Tondo, Leonardo, Torrent, Carla, Tuinstra, Daniel, Uchida, Takahito, Vaaler, Arne E, Vieta, Eduard, Viswanath, Biju, Yoldi-Negrete, Maria, Yalcinkaya, Oguz Kaan, Young, Allan H, Zgueb, Yosra, and Whybrow, Peter C

Subjects
Bipolar Disorder/complications, Male, Polarity, Bipolar disorder, Circadian rhythm, Depression, Psychiatry and Mental health, Clinical Psychology, Solar insolation, Sunlight, Humans, Female, Seasons
Abstract

OBJECTIVE: Circadian rhythm disruption is commonly observed in bipolar disorder (BD). Daylight is the most powerful signal to entrain the human circadian clock system. This exploratory study investigated if solar insolation at the onset location was associated with the polarity of the first episode of BD I. Solar insolation is the amount of electromagnetic energy from the Sun striking a surface area of the Earth.METHODS: Data from 7488 patients with BD I were collected at 75 sites in 42 countries. The first episode occurred at 591 onset locations in 67 countries at a wide range of latitudes in both hemispheres. Solar insolation values were obtained for every onset location, and the ratio of the minimum mean monthly insolation to the maximum mean monthly insolation was calculated. This ratio is largest near the equator (with little change in solar insolation over the year), and smallest near the poles (where winter insolation is very small compared to summer insolation). This ratio also applies to tropical locations which may have a cloudy wet and clear dry season, rather than winter and summer.RESULTS: The larger the change in solar insolation throughout the year (smaller the ratio between the minimum monthly and maximum monthly values), the greater the likelihood the first episode polarity was depression. Other associated variables were being female and increasing percentage of gross domestic product spent on country health expenditures. (All coefficients: P ≤ 0.001).CONCLUSION: Increased awareness and research into circadian dysfunction throughout the course of BD is warranted.

Published
2022

27. Self-reported data from patients with bipolar disorder: Impact on minimum episode length for hypomania

Author

Bauer, Michael, Grof, Paul, Rasgon, Natalie L., Marsh, Wendy, Munoz, Rodrigo A., Sagduyu, Kemal, Alda, Martin, Quiroz, Danilo, Glenn, Tasha, Baethge, Christopher, and Whybrow, Peter C.

Subjects
*BIPOLAR disorder, *PATIENTS, *AFFECTIVE disorders, *PSYCHOSES
Abstract

Abstract: Objective: Some investigators have suggested decreasing the minimum hypomania episode length criterion from 4 days, as in the DSM-IV, to 2 days. Using daily self-reported mood ratings, we studied the impact of changing the length requirement on the number of hypomanic episodes in patients with bipolar disorder. Method: 203 patients (135 bipolar I and 68 bipolar II by DSM-IV criteria) recorded mood daily using ChronoRecord software (30,348 total days, mean 150 days). Episodes of hypomania and days of hypomania outside of episodes were determined. Results: Decreasing the minimum duration criterion for an episode of hypomania from 4 to 2 days doubled the mean percent of days in a hypomanic episode for each patient (4% to 8%), doubled the number of patients with a hypomanic episode (44 to 96) and increased the number of hypomanic episodes for all patients about three-fold (129 to 404). With a minimum episode length of 4 days, bipolar I patients were more likely to report hypomania outside episodes than bipolar II patients (p =0.010), but with a length of 2 or 3 days there was no significant difference in the distribution of hypomania outside of episodes by diagnosis. With a 2-day length, about one-third (36%) of hypomania remained outside of an episode. Limitations: Self-reported data, computer access, relatively short length, fewer bipolar II than bipolar I patients. Conclusion: As the minimum length for an episode of hypomania decreases, there was a large increase in both the number of episodes and number of patients with episodes. One-day hypomania outside of episodes occurs frequently in both bipolar I and bipolar II disorder. [Copyright &y& Elsevier]

Published
2006
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28. [High prevalence of thyroid dysfunction among psychiatric inpatients].

Author

Valdivieso F S, Kripper C, Ivelic JA, Fardella C, Gloger S, and Quiroz D

Subjects
Adolescent, Adult, Aged, Aged, 80 and over, Child, Chile epidemiology, Euthyroid Sick Syndromes epidemiology, Female, Humans, Hypothyroidism epidemiology, Male, Middle Aged, Prevalence, Retrospective Studies, Sex Distribution, Thyroid Hormones blood, Mental Disorders epidemiology, Thyroid Diseases epidemiology
Abstract

Background: Thyroid dysfunction is frecuent in psychiatric outpatients and in the general Chilean population but there is no information about the prevalence of thyroid diseases in Chilean psychiatric inpatients., Aim: To retrospectively assess the frequency of thyroidal diseases in psychiatric inpatients., Material and Methods: Clinical charts and thyroid assessment of 241 psychiatric inpatients (147 women, mean age 33+/-16 years) attended in a University Psychiatric Clinic, were reviewed. Psychiatric diagnosis at discharge was made according to DSM IV criteria and endocrine diagnosis was made based on international criteria., Results: Forty nine patients (20.7%) had thyroid abnormalities. Forty four patients had hypothyroidism (18.3%) and five had hyperthyroidism (2.35%). No specific associations were found between gender or psychiatric diagnosis and endocrine abnormalities., Conclusions: In this sample, the prevalence of thyroid abnormalities was similar to other reports in psychiatric inpatiens and higher than in the general population in Chile.

Published
2006
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