dc.contributor.advisor |
Fisher, Derek J., 1980- |
|
dc.creator |
Francis, Ashley Morgan |
|
dc.date.accessioned |
2021-09-08T13:53:21Z |
|
dc.date.available |
2021-09-08T13:53:21Z |
|
dc.date.issued |
2021 |
|
dc.identifier.uri |
http://library2.smu.ca/xmlui/handle/01/29823 |
|
dc.description |
1 online resource (164 pages) : graphs |
|
dc.description |
Includes abstract and appendices. |
|
dc.description |
Includes bibliographical references (pages 79-112). |
|
dc.description.abstract |
Cannabis has psychoactive properties and is thought to be associated
with potential structural and functional changes with early and heavy use. Previous
research suggests cannabis users (CU) vs. non-users (NU) have deficits on EEG-derived event-related potentials elicited by paired click and visual Go/NoGo paradigms.
We used these paradigms to examine inhibitory functioning in CUs (n = 14; 9
male) vs. NUs (n = 16, 4 male). Effect sizes suggest CUs had impaired N100 measures of
sensory gating compared to NUs. Additionally, a trend level interaction and latency
findings for the P200 suggested CUs had smaller amplitudes and quicker latencies to
S1 compared to NUs. Go/NoGo findings revealed enhanced P100 amplitudes in CUs (vs.
NUs). No other between-group differences or sex differences were observed. This study
provides further support for cannabis-induced deficits on early-attentional processing as
indexed by the N100 and novel findings regarding enhanced P100 amplitudes to the
Go/NoGo paradigm. |
en_CA |
dc.description.provenance |
Submitted by Greg Hilliard (greg.hilliard@smu.ca) on 2021-09-08T13:53:21Z
No. of bitstreams: 1
Francis_Ashley_MASTERS_2021.pdf: 2727809 bytes, checksum: 4064088cbccbc0ff8080da9118847bb0 (MD5) |
en |
dc.description.provenance |
Made available in DSpace on 2021-09-08T13:53:21Z (GMT). No. of bitstreams: 1
Francis_Ashley_MASTERS_2021.pdf: 2727809 bytes, checksum: 4064088cbccbc0ff8080da9118847bb0 (MD5)
Previous issue date: 2021-08-27 |
en |
dc.language.iso |
en |
en_CA |
dc.publisher |
Halifax, N.S. : Saint Mary's University |
|
dc.subject.lcsh |
Cannabis -- Psychological aspects |
|
dc.subject.lcsh |
Attention |
|
dc.subject.lcsh |
Electroencephalography |
|
dc.title |
Differential effects of cannabis use on event-related potential (ERP)-indexes of cortical inhibition in cannabis users and non-users |
en_CA |
dc.type |
Text |
en_CA |
thesis.degree.name |
Master of Science in Applied Science |
|
thesis.degree.level |
Masters |
|
thesis.degree.discipline |
Psychology |
|
thesis.degree.grantor |
Saint Mary's University (Halifax, N.S.) |
|