• 188 children with cochlear implants-mean age = 2.2 years at enrollment
• 97 children with normal hearing-mean age = 2.3 years at enrollment

• Standardized language tests to see how children understand and use spoken language
• Routine hearing and speech evaluations
• Play activities that are video-taped
• Questionnaires for children, their parents, and their teachers

Publications :

Eisenberg LS, Johnson KC, Martinez AS (2005, August 22, September, 12).
Clinical assessment of speech perception for infants and toddlers.
Online articles for SpeechPathology.com
http://www.cdaci.org/images/article_1.pdf

Eisenberg LS, Johnson KJ, Martinez AS, Cokely CG, Tobey EA, Quittner AL,
Fink NE, Wang NY, Niparko JK (2006) Speech recognition at 1-year follow-up in
the Childhood Development after Cochlear Implantation (CDaCI) Study: Methods
and preliminary findings. Audio Neurotol 11:259-268.
http://www.cdaci.org/images/article_2.pdf

Eisenberg L, Fink N, Niparko J for the CDaCI (2006). Childhood development
after cochlear implantation: Multicenter study examines language development.
ASHA Leader 11:28-29.
http://www.cdaci.org/images/article_3.pdf

Fink NE, Wang NY, Quittner A, Eisenberg ES, Tobey EA, Niparko JK and the
CDaCI Investigative Team (2007). Childhood development after cochlear
implantation (CDaCI): Design and baseline characteristics. Cochlear Implants Int
8:92-116.
http://www.cdaci.org/images/article_4.pdf

Francis H, Buchman CA, Visaya JM, Wang NY, Zwolan TA, Fink NE, Niparko JK
and the CDaCI Investigative Team. (2008). Surgical factors in pediatric cochlear
implantation and their early effects on electrode activation and functional
outcomes. Otology & Neurotology (in press).
http://www.cdaci.org/images/article_5.pdf

Lin FR, Niparko JK.  (2006). Measuring health-related quality of life after pediatric cochlear implantation: a systematic review. Int J Pediatr Otorhinolaryngol 70:1695-1706

http://www.cdaci.org/images/article_6.pdf

Lin FR, Wang NY, Fink NE, Quittner AL, Eisenberg LS, Tobey EA, Niparko JK, and the CDaCI Investigative Team (2008). Assessing the use of speech and language measures in relation to parental perceptions of development after early cochlear implantation. Otology & Neurotology 29:208-213, 2008.

http://www.cdaci.org/images/article_7.pdf

Lin FR, Ceh K, Bervinchak D, Riley A, Miech R, Niparko JK (2007). Development of a communicative performance scale for pediatric cochlear implantation. Ear & Hearing 28:703-712.

http://www.cdaci.org/images/article_8.pdf

Quittner AL, Leibach PL, Marciel K (2004). The impact of cochlear implants on young, deaf children: New methods to assess cognitive and behavioral development.  Archives of Otolaryngology, Head and Neck Surgery 130: 547-554.

Quittner AL, Barker DH, Snell C, Cruz I, McDonald LG, Grimley ME, Botteri M, Marciel K, and the CDaCI Investigative Team (2007). Improvements in visual attention in deaf infants and toddlers after cochlear implantation. Audiological Medicine 5:242-249.

http://www.cdaci.org/images/article_10.pdf

Wang NY, Eisenberg LS, Johnson KC, Fink NE, Tobey EA, Quittner AL, Niparko JK and the CDaCI Investigative Team (2008). Tracking development of speech recognition: longitudinal data from hierarchical assessments in CDaCI. Otology & Neurotology 29:240-245.

Zwolan TA, O’Sullivan MB, Fink NE, Niparko JK, and the CDaCI Investigative Team (2008). Electrical charge requirements of pediatric cochlear implant recipients enrolled in the CDaCI. Otology & Neurotology 29:143-148.

http://www.cdaci.org/images/article_12.pdf