| 61 |
Dynamic effects of habituation and novelty detection on newborn event related potentials
|
|
|
|
In: Center for Brain, Biology and Behavior: Papers & Publications (2019)
|
|
BASE
|
|
Show details
|
|
|
| 62 |
Relating Conceptual Structure With Flexible Concept Use
|
|
|
|
In: Publicly Accessible Penn Dissertations (2019)
|
|
Abstract:
Our mental words are populated with concepts — rich representations of knowledge about things in the world (e.g., diamonds, pumpkins). In language, words are used to refer to these concepts (e.g., “diamond”, “pumpkin”) and to communicate with others. This is quite impressive given that a word does not activate the same information each time it is used: conceptual information is flexibly activated based on the context. For example, the phrases “raw diamond”, “baseball diamond”, and “diamond eyes” evoke different kinds of diamond information. This flexible concept use is not only exemplified in creative language, but in creative thought and natural language more generally. The goal of this thesis was to leverage methods in cognitive neuroscience, network science, and computational modeling to explore the kinds of conceptual structure that can support this flexible concept use. In the first study (Chapter 2) I capture the global structure of concepts in novel feature-based networks, and show that aspects of this network structure relate to text-based and empirical measures of flexible concept use. I subsequently narrow in on the local representations of conceptual features that relate to flexible concept use by observing what happens when concepts combine. In one fMRI study (Chapter 3) I show that feature uncertainty predicts the extent to which features (e.g., green, salty) are flexibly modulated in the brain during comprehension of adjective-noun combinations (e.g., “green pumpkin”, “salty cookie”). In follow-up studies (Chapter 4) I further reveal the relationship between feature uncertainty and flexible feature activations in combined concepts. In combinations that modify conceptual brightness (e.g., “dark diamond”, “light night”), an explicit behavioral measure of conceptual feature modulation is predicted by feature uncertainty as well as by a related predictive combinatorial Bayesian model. An associated fMRI study reveals that flexible feature modulation and feature uncertainty relate to responses in left inferior frontal gyrus (LIFG) and left anterior temporal lobe (LATL), suggesting roles for these regions in flexible concept activation. Taken together, this work reveals relationships between conceptual structure and flexible concept use in behavior and in the brain.
|
|
Keyword:
Cognitive Psychology; conceptual combination; conceptual knowledge; fMRI; language; network science; Neuroscience and Neurobiology; Psychology; semantic memory
|
|
URL: https://repository.upenn.edu/edissertations/3414
https://repository.upenn.edu/cgi/viewcontent.cgi?article=5200&context=edissertations
|
|
BASE
|
|
Hide details
|
|
|
| 63 |
Event Structure In Vision And Language
|
|
|
|
In: Publicly Accessible Penn Dissertations (2019)
|
|
BASE
|
|
Show details
|
|
|
| 64 |
Characterization And Perturbation Of Functional Networks That Support Human Memory
|
|
|
|
In: Publicly Accessible Penn Dissertations (2019)
|
|
BASE
|
|
Show details
|
|
|
| 65 |
More Than Words: Extra-Sylvian Networks Support Pragmatic Language Processing In Focal Dementia
|
|
|
|
In: Publicly Accessible Penn Dissertations (2019)
|
|
BASE
|
|
Show details
|
|
|
| 66 |
Metabolic Syndrome and Illness Severity Predict Relapse at 1-Year Follow-Up in Schizophrenia
|
|
|
|
In: ISSN: 0160-6689 ; Journal of Clinical Psychiatry ; https://hal.uca.fr/hal-01915313 ; Journal of Clinical Psychiatry, Physicians Postgraduate Press, 2018, 79 (6), ⟨10.4088/JCP.17m12007⟩ (2018)
|
|
BASE
|
|
Show details
|
|
|
| 67 |
Bilingual Experience and Executive Control over the Adult Lifespan: The Role of Biological Sex ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 68 |
Bilingual experience and resting-state brain connectivity: Impacts of L2 age of acquisition and social diversity of language use on control networks ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 69 |
Structural Brain Changes as a Function of Second Language Vocabulary Training: Effects of Learning Context ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 70 |
Entrainment in Disguise: the Exogenous and Endogenous Cortical Rhythms of Speech and Language Processing ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 71 |
Memorable words are monogamous: The role of synonymy and homonymy in word recognition memory ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 72 |
Examining Delayed Onset of Dementia in the Bilingual Geriatric Population
|
|
|
|
In: Grace Peterson Nursing Research Colloquium (2018)
|
|
BASE
|
|
Show details
|
|
|
| 73 |
The Neuroanatomy of Speech Sequencing at the Syllable Level ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 74 |
Knowledge and Learning of Verb Biases in Amnesia (Manuscript accepted to Brain & Language) ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 75 |
Neural Coding of an Auditory Pitch Illusion
|
|
|
|
In: The Summer Undergraduate Research Fellowship (SURF) Symposium (2018)
|
|
BASE
|
|
Show details
|
|
|
| 76 |
Anchoring The Cognitive Map To The External World
|
|
|
|
In: Publicly Accessible Penn Dissertations (2018)
|
|
BASE
|
|
Show details
|
|
|
| 77 |
Neural coding of variable song structure in the songbird
|
|
|
|
In: EBM 2017 - European Birdsong Meeting ; https://hal.inria.fr/hal-01665824 ; EBM 2017 - European Birdsong Meeting, May 2017, Bordeaux, France. pp.1 ; https://birdsong2017.sciencesconf.org/ (2017)
|
|
BASE
|
|
Show details
|
|
|
| 78 |
Links between perception and production: examining the roles of motor and premotor cortices in understanding speech. ...
|
|
|
|
BASE
|
|
Show details
|
|
|
| 79 |
Opposing and following responses in sensorimotor speech control: Why responses go both ways ...
|
|
|
|
BASE
|
|
Show details
|
|
|
|
|
