Do Women's Voices Provide Cues of the Likelihood of Ovulation? The Importance of Sampling Regime
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{"title"=>"Do women's voices provide cues of the likelihood of ovulation? the importance of sampling regime", "type"=>"journal", "authors"=>[{"first_name"=>"Julia", "last_name"=>"Fischer", "scopus_author_id"=>"7404369347"}, {"first_name"=>"Stuart", "last_name"=>"Semple", "scopus_author_id"=>"35307863500"}, {"first_name"=>"Gisela", "last_name"=>"Fickenscher", "scopus_author_id"=>"15020591100"}, {"first_name"=>"Rebecca", "last_name"=>"Jürgens", "scopus_author_id"=>"53463720600"}, {"first_name"=>"Eberhard", "last_name"=>"Kruse", "scopus_author_id"=>"16935265100"}, {"first_name"=>"Michael", "last_name"=>"Heistermann", "scopus_author_id"=>"7004360447"}, {"first_name"=>"Ofer", "last_name"=>"Amir", "scopus_author_id"=>"56253759300"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"362600972", "sgr"=>"80053023101", "pmid"=>"21957453", "scopus"=>"2-s2.0-80053023101", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "doi"=>"10.1371/journal.pone.0024490", "issn"=>"19326203"}, "id"=>"c86c23d7-fa9e-3b16-af4b-f749df486dd8", "abstract"=>"The human voice provides a rich source of information about individual attributes such as body size, developmental stability and emotional state. Moreover, there is evidence that female voice characteristics change across the menstrual cycle. A previous study reported that women speak with higher fundamental frequency (F0) in the high-fertility compared to the low-fertility phase. To gain further insights into the mechanisms underlying this variation in perceived attractiveness and the relationship between vocal quality and the timing of ovulation, we combined hormone measurements and acoustic analyses, to characterize voice changes on a day-to-day basis throughout the menstrual cycle. Voice characteristics were measured from free speech as well as sustained vowels. In addition, we asked men to rate vocal attractiveness from selected samples. The free speech samples revealed marginally significant variation in F0 with an increase prior to and a distinct drop during ovulation. Overall variation throughout the cycle, however, precluded unequivocal identification of the period with the highest conception risk. The analysis of vowel samples revealed a significant increase in degree of unvoiceness and noise-to-harmonic ratio during menstruation, possibly related to an increase in tissue water content. Neither estrogen nor progestogen levels predicted the observed changes in acoustic characteristics. The perceptual experiments revealed a preference by males for voice samples recorded during the pre-ovulatory period compared to other periods in the cycle. While overall we confirm earlier findings in that women speak with a higher and more variable fundamental frequency just prior to ovulation, the present study highlights the importance of taking the full range of variation into account before drawing conclusions about the value of these cues for the detection of ovulation.", "link"=>"http://www.mendeley.com/research/womens-voices-provide-cues-likelihood-ovulation-importance-sampling-regime", "reader_count"=>83, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>3, "Librarian"=>1, "Student > Doctoral Student"=>6, "Researcher"=>16, "Student > Ph. D. Student"=>13, "Student > Postgraduate"=>6, "Other"=>4, "Student > Master"=>12, "Student > Bachelor"=>12, "Lecturer"=>4, "Professor"=>4}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>3, "Librarian"=>1, "Student > Doctoral Student"=>6, "Researcher"=>16, "Student > Ph. D. Student"=>13, "Student > Postgraduate"=>6, "Other"=>4, "Student > Master"=>12, "Student > Bachelor"=>12, "Lecturer"=>4, "Professor"=>4}, "reader_count_by_subject_area"=>{"Unspecified"=>7, "Nursing and Health Professions"=>1, "Agricultural and Biological Sciences"=>30, "Medicine and Dentistry"=>8, "Neuroscience"=>2, "Sports and Recreations"=>2, "Chemical Engineering"=>1, "Physics and Astronomy"=>1, "Psychology"=>27, "Social Sciences"=>3, "Linguistics"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>8}, "Neuroscience"=>{"Neuroscience"=>2}, "Social Sciences"=>{"Social Sciences"=>3}, "Sports and Recreations"=>{"Sports and Recreations"=>2}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Psychology"=>{"Psychology"=>27}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>30}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>1}, "Linguistics"=>{"Linguistics"=>1}, "Unspecified"=>{"Unspecified"=>7}, "Chemical Engineering"=>{"Chemical Engineering"=>1}}, "reader_count_by_country"=>{"Argentina"=>1, "Czech Republic"=>2, "Romania"=>2, "Hungary"=>1, "United States"=>3, "United Kingdom"=>2, "Italy"=>1, "Germany"=>4}, "group_count"=>7}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/732741"], "description"=>"<p>White triangles: mean fundamental frequency (F0); black squares: degree of unvoiceness (DUV); for the vowel ‘a’.</p>", "links"=>[], "tags"=>["sustained", "vowel", "characteristics", "menstrual"], "article_id"=>403091, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.g003", "stats"=>{"downloads"=>1, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Variation_of_sustained_vowel_voice_characteristics_across_the_menstrual_cycle_/403091", "title"=>"Variation of sustained vowel voice characteristics across the menstrual cycle.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 14:31:19"}
  • {"files"=>["https://ndownloader.figshare.com/files/732981"], "description"=>"<p>Above diagonal: results for F0; below diagonal results for F0 SD. M: day 2 after onset of menstruation. Significant differences at the corrected level are indicated in bold.</p>", "links"=>[], "tags"=>["post-hoc", "comparisons", "days"], "article_id"=>403332, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.t001", "stats"=>{"downloads"=>3, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Results_of_post_hoc_comparisons_of_variation_in_free_speech_on_different_days_in_the_cycle_/403332", "title"=>"Results of post-hoc comparisons of variation in free speech on different days in the cycle.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 14:32:30"}
  • {"files"=>["https://ndownloader.figshare.com/files/732685"], "description"=>"<p>Mean (and s.e.m.) of (A) fundamental frequency and (B) standard deviation of the fundamental frequency of free speech segments, in relation to the day of ovulation and at the onset of menstruation (m).</p>", "links"=>[], "tags"=>["diabetes and endocrinology", "Mental health", "Evolutionary biology"], "article_id"=>403038, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.g002", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Variation_in_free_speech_voice_characteristics_/403038", "title"=>"Variation in free speech voice characteristics.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 14:31:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/732623"], "description"=>"<p>Average estrogen (E1G) and progestogen (PdG) values in the period of ten days preceding ovulation to ten days after the estimated day of ovulation. Values were compiled using data from 12 women for which we had complete hormone and acoustic data for the entire period, as well as from two women for which the first 2 days were missing.</p>", "links"=>[], "tags"=>["urinary", "levels", "menstrual"], "article_id"=>402967, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.g001", "stats"=>{"downloads"=>3, "page_views"=>25, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Variation_in_urinary_sex_hormone_levels_across_the_menstrual_cycle_/402967", "title"=>"Variation in urinary sex hormone levels across the menstrual cycle.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 14:30:39"}
  • {"files"=>["https://ndownloader.figshare.com/files/732804"], "description"=>"<p>Samples recorded on the estimated day of ovulation (‘Ovul’) were compared with those recorded 3 days prior to this day (‘Pre’), and with those recorded on the second day of the menstrual cycle.</p>", "links"=>[], "tags"=>["voices", "periods"], "article_id"=>403156, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.g004", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Degree_of_preference_for_female_voices_in_different_periods_of_the_cycle_/403156", "title"=>"Degree of preference for female voices in different periods of the cycle.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 14:31:38"}
  • {"files"=>["https://ndownloader.figshare.com/files/732856"], "description"=>"<p>Spectrographic displays of the vowels /a/, /u/, and /i/ for two women in the preovulatory (pre-) and peri-ovulatory (ovul) period. Upper panel: this subject revealed no major variation in the two phases. Lower panel: this subject revealed a drop in F0 in the ovulatory period of about 20 Hz. Frequency on the y-axis and time on the x-axis. Sampling frequency 3200 Hz, FFT settings: length: 512 pt, frame 100%, Hamming window, frequency resolution 6 Hz, temporal resolution 40 ms (75% overlap).</p>", "links"=>[], "tags"=>["sustained", "vowels"], "article_id"=>403210, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.g005", "stats"=>{"downloads"=>2, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Variation_in_sustained_vowels_in_relation_to_cycle_phase_/403210", "title"=>"Variation in sustained vowels in relation to cycle phase.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 14:31:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/732942"], "description"=>"<p>Mean and s.e.m for N = 23 women and results of the statistical analysis the effect of cycle phase on different acoustic variables.</p><p>GLM with subject and vowel as random factor, and menstrual cycle phase as fixed factor; df = 4,313 for all analyses. Partial Eta<sup>2</sup> provides an overestimate of the actual effect size; observed power gives the probability that the test statistic is greater than the critical value under the alternative hypothesis.</p>", "links"=>[], "tags"=>["characteristics", "phases", "menstrual"], "article_id"=>403294, "categories"=>["Chemistry", "Mental Health", "Evolutionary Biology"], "users"=>["Julia Fischer", "Stuart Semple", "Gisela Fickenscher", "Rebecca Jürgens", "Eberhard Kruse", "Michael Heistermann", "Ofer Amir"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0024490.t002", "stats"=>{"downloads"=>0, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Acoustic_characteristics_in_the_different_phases_of_the_menstrual_cycle_with_results_of_statistical_tests_/403294", "title"=>"Acoustic characteristics in the different phases of the menstrual cycle with results of statistical tests.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 14:32:19"}

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Relative Metric

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