Detection of compressed tracheal sound patterns with large amplitude variation during sleep. - Antti Kulkas; E. Rauhala; Eero Huupponen; J. Virkkala; Mirja Tenhunen; Antti Saastamoinen; Sari-Leena Himanen (Medical Biol. Eng. Comput., 2008)

Intelligent methods for identifying respiratory cycle phases from tracheal sound signal during sleep. - Antti Kulkas; Eero Huupponen; J. Virkkala; Mirja Tenhunen; Antti Saastamoinen; E. Rauhala; Sari-Leena Himanen (Comput. Biol. Medicine, 2009)

Improved computational fronto-central sleep depth parameters show differences between apnea patients and control subjects. - Eero Huupponen; T. Saunamäki; Antti Saastamoinen; Antti Kulkas; Mirja Tenhunen; Sari-Leena Himanen (Medical Biol. Eng. Comput., 2009)

New tracheal sound feature for apnoea analysis. - Antti Kulkas; Eero Huupponen; J. Virkkala; Mirja Tenhunen; Antti Saastamoinen; E. Rauhala; Sari-Leena Himanen (Medical Biol. Eng. Comput., 2009)

Identification of Deep Sleep and Awake with Computational EEG Measures. - Eero Huupponen; Antti Kulkas; Antti Saastamoinen; Mirja Tenhunen; Sari-Leena Himanen (J. Medical Syst., 2011)

Novel parameters indicate significant differences in severity of obstructive sleep apnea with patients having similar apnea-hypopnea index. - Antti Kulkas; Pekka Tiihonen; Petro Julkunen; Esa Mervaala; Juha Töyräs (Medical Biol. Eng. Comput., 2013)

Amount of weight loss or gain influences the severity of respiratory events in sleep apnea. - Antti Kulkas; Timo Leppänen; Johanna Sahlman; Pekka Tiihonen; Esa Mervaala; J. Kokkarinen; J. Randell; J. Seppä; Juha Töyräs; H. Tuomilehto (Medical Biol. Eng. Comput., 2015)

Gamma Power of Electroencephalogram Arousal Is Modulated by Respiratory Event Type and Severity in Obstructive Sleep Apnea. - Henna Pitkänen; Brett Duce; Timo Leppänen; Samu Kainulainen; Antti Kulkas; Sami Myllymaa; Juha Töyräs; Henri Korkalainen (IEEE Trans. Biomed. Eng., 2022)

Obstructive Sleep Apnea Patients With Atrial Arrhythmias Suffer From Prolonged Recovery From Desaturations. - Marika Rissanen; Henri Korkalainen; Brett Duce; Saara Sillanmäki; Henna Pitkänen; Aaron Suni; Sami Nikkonen; Antti Kulkas; Juha Töyräs; Timo Leppänen; Samu Kainulainen (IEEE Trans. Biomed. Eng., 2023)