permanent academic faculty of the Department have been and/or are currently
engaged in the following research areas. Detailed information can be found
in their personal webpages.
Neurogenic speech and language disorders.
Development and application of diagnostic and treatment methods for
Neuroscience of treatment of speech and language disorders.
Voice and swallowing disorders
Syntactic Theory, Comparative
Syntax Language Acquisition
The syntax of Autism, Parkinson, SLI and agrammatism
Speech Signal Processing using advanced moment enhanced spectrogram
Differential Diagnosis using Fuzzy Cognitive Maps and Case Based Reasoning.
AAC (augmentative alternative communication) technology.
Development of special software for the field of Speech Language Pathology.
Development and disorders of Speech and Hearing in patients with hearing
Auditory Processing and learning disabilities. Development of speech
audiometry tests. Fitting/Mapping and speech recognition. Stuttering
in children and adults. Velopharyngeal dysfunction and speech disorders.
Phonological disorders and therapy
Language and speech in children with autism spectrum disorders
research in the Department
- The structure
of (a)typical language: Linguistic Theory and Intervention.
PI: Arhonto Terzi
The proposed research
will investigate the linguistic behavior of four populations on a series
of syntactic structures each. Populations and associated structures are
selected on the basis of important questions their combination raises
for current scientific inquiry into the properties of human language,
with choice of syntactic structures in particular to also be based on
the contribution they are expected to make given that the language under
investigation is Greek. The last three areas of investigation constitute
continuation of previous research that needs to be brought into closer
scrutiny and/or be expanded, while the first one is novel.
Thus, we aim to study:
a. Broca’s aphasics (agrammatics) on parallel subcomponents of the nominal
and the verbal/sentential domains, in order to find out whether it indeed
differs between the two, how exactly, and why.
b. Parkinson’s Disease patients on access to rules of grammar and comprehension
of complex sentences before and after Deep Brain Stimulation, in search
of understanding how they differ from healthy speakers and why.
c. children and adolescents with Autistic Spectrum Disorders on a number
of linguistic structures, in order to find out how their syntax differs
from that of typical development and how much of this difference is due
to an impaired syntactic component.
d. typically developing children on the acquisition of the subcomponents
of spatial prepositions, in search of understanding the contribution of
the linguistic input into the acquisition of (non-linguistic concepts
such as) spatial terms.
Our objectives are:
1. to enrich understanding of the linguistic expressions under investigation
via the experimental data to be obtained, hence, advance our knowledge
of the properties of human language faculty in the overall.
2. to enrich understanding of the language impairments under investigation,
with the purpose of ultimately informing and improving therapeutic intervention.
of impairment in Greek aphasia: Relationship with processing
deficits, brain region and therapeutic implications
PI: Spyridoula Varlokosta
Speech-Language Pathology research team co-ordinator: Ilias Papathanasiou
Speech-Language Pathology research team member: Angeliki Kotsopoulou (Neuro)linguistics
research team member: Arhonto Terzi (1/1/2012-30/9/2015)
funded in the
Latsis Foundation, Research Grants 2011
out the Linguistic Profile of (Greek speaking) individuals with Autism
PI: Arhonto Terzi
Theodoros Marinis, Co-PI (University of Reading), Angeliki Kotsopoulou
(TEI of Patras), Konstantinos Francis (University of Athens).
Individuals with Autistic Spectrum Disorders (ASD) have poor social skills
pragmatic and conversational abilities, but it is unclear whether their
grammar remains intact.
This project constitutes the first systematic investigation of the language
abilities of Greek
speaking individuals with ASD, addressing two domains of grammar that
are crucial for
communication: pronoun reference and passive morphology.
Greek provides an ideal window to address the nature of the language impairment(s)
in ASD since it has clitic (τον) and reflexive (τον εαυτό του), pronouns,
which involve syntax, but also full pronouns (αυτόν), which also implicate
pragmatics. Besides, reflexivity can also be expressed via passive morphology,
which however is ambiguous between reflexive (πλύθηκε) and passive (σπρώχτηκε)
interpretation. The proposed study is expected to shed light into whether
ASD language reflects impaired syntactic knowledge or simply pragmatic
impairments, and identify a linguistic profile for ASDs able to extend
beyond Greek speaking populations. (1/1/2011-31/12/2012)
Based Reasoning Tools for Decision Support in Speech and
Principal investigator: Voula Georgopoulos
Speech and language
disorders may have a serious impact on a number of aspects of daily life.
The objective of this research program is the development of new knowledge-based
methodologies of decision support in the diagnosis and treatment, what
will be used in the designing of effective computing tools of support
of critical decisions in speech and language pathology. These tools will
function complementary and in support of existing methods and processes
of decision-making in communication disorders for both diagnosis and intervention
as well prognosis. They will be based on the intelligent methodologies
of Fuzzy Cognitive Maps, Case Based Reasoning. The selected methodologies
are based on the human way of reasoning and management of knowledge and
experience. The development of methodologies and tools will follow the
way of thinking and the process of decision-making used by speech pathologists.
Also they will be applied in the clinical practice.
- The Structure
of Prepositions in Normal, Early and Impaired Language
Principal investigator: Arhonto Terzi
The project investigates
the linguistic properties of prepositions/prepositional phrases, in Greek
and crosslinguistically, within the framework of generative grammar. It
aims at a thorough understanding of the syntactic and semantic structure
of prepositions and their historical relationship and structural similarities
with other grammatical categories. It also studies:
a) the acquisition of prepositions by native speakers of Greek with normal
b) the behavior of native speakers of Greek with impaired language, in
particular, of speakers with SLI and agrammatism in the same domain. Τhe
findings of the above populations are compared with the aim to:
a) contribute to the theoretical claims concerning the status of prepositions
b) understand the process of acquisition and maturation of the structure
of prepositions, as well as the similarities and differences of this process
with language breakdown.