Search
Skip to Search Results- 14Black-capped chickadees
- 7Songbirds
- 3Acoustic discrimination
- 3Categorization
- 3Chickadee
- 3Operant conditioning
- 3Neil McMillan
- 3Sturdy, Christopher B.
- 2Allison H. Hahn
- 2Christopher B. Sturdy
- 2Jenna V. Congdon
- 1Allison H Hahn
- 9Graduate and Postdoctoral Studies (GPS), Faculty of
- 9Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 4Psychology, Department of
- 4Psychology, Department of/Journal Articles (Psychology)
- 2WISEST Summer Research Program
- 2WISEST Summer Research Program/WISEST Research Posters
-
Fall 2010
Urbanization is viewed as a major threat to global biodiversity because of its role in the loss and fragmentation of low-lying, productive habitats associated with coastal plains and river valleys. My study examines the effects of urbanization on the movements and distribution of songbirds in...
-
Animal cognition and animal personality: Individual differences in exploratory behaviour, learning, vocal output, and hormonal response in an avian model
DownloadFall 2012
The foremost goal of this thesis is to integrate the study of animal cognition with the field of animal personality. In the early 20th century, Pavlov integrated these fields by describing an interaction between associative learning and dogs that exhibited different behavioural types. Since...
-
Discrimination of musical intervals by humans and chickadees: Cue salience modulated by timbre
DownloadFall 2013
Musical consonance/dissonance, roughly defined by its characteristic stability/instability, has been shown to be a relatively salient feature of sound. The extent to which the salience of this property varies as a function of timbre, a property that distinguishes two sounds of the same pitch and...
-
Pitch perception in vocal learners: Fundamental shared components of pitch processing and biological relevance
DownloadSpring 2013
Pitch perception is important in both music and language perception in humans. Vocal learners, including humans, share the property of learning their vocalizations from a tutor when young. Similar behavioural and neural mechanisms underlying vocal production among different species of vocal...
-
Pitch perception is not unitary: Evidence for the perception of pitch chroma in black-capped chickadees.
DownloadFall 2015
Pitch perception is mediated by two attributes: pitch height and pitch chroma. These two attributes can be pitted against one another during an octave equivalence task in order to clarify the dominant perceptual mechanism. Pitch chroma mediates the perceptual phenomenon of octave equivalence,...
-
Information contained within a simple acoustic signal: The fee-bee song of the black-capped chickadee (Poecile atricapillus)
DownloadFall 2015
Black-capped chickadees (Poecile atricapillus) are a common North American songbird that produce numerous types of vocalizations with various functions. The vocal repertoire of black-capped chickadees have been the focus of numerous vocal production and perception studies. Black-capped chickadees...
-
An investigation of sex differences in acoustic features of the chick-a-dee call of black-capped chickadees (Poecile atricapillus)
DownloadFall 2015
The chick-a-dee call of the black-capped chickadee (Poecile atricapillus) is composed of four main note types (A, B, C, and D) that occur in a fixed order. Sex differences have been identified in a number of black-capped chickadee vocalizations (including tseet calls and fee-bee songs) and in the...
-
2016-01-01
Jenna V. Congdon, Allison H. Hahn, Neil McMillan, Marc T. Avey, Christopher B. Sturdy
Chickadees produce many vocalizations, including chick-a-dee calls which they use as a mobbing call in the presence of predators. Previous research has shown that chickadees produce more D notes in their mobbing calls in response to high-threat predators compared to low-threat predators, and may...
-
2016-01-01
Ken A Otter, Christopher B Sturdy, Thibault Grava, Daniel J Mennill, Lauren M Guillette, Laurene M Ratcliffe, Neil McMillan, Kimberley A Campbell, John Hoang, Marisa Hoeschele, Allison H Hahn, Jenna V Congdon
The songs of many songbird species vary geographically, yet, the songs of black-capped chickadees (Poecile atricapillus) show remarkable consistency across most of the species’ North American range. Previous research has described subtle variations in the song of this species by comparing songs...
-
2016-01-01
Christopher B. Sturdy, Erin N. Scully, Allison H. Hahn, Neil McMillan, Jenna V. Congdon, Kimberley A. Campbell
Category perception, as Herrnstein (1990) defined it, is a powerful and pervasive cognitive ability possessed by every species in which it has been adequately tested. We have studied category perception of vocal communication signals in songbirds for over 20 years. Our first studies provided us...