User profiles for Sebastian Markett
Sebastian MarkettDepartment of Psychology, Humboldt University Berlin Verified email at hu-berlin.de Cited by 4186 |
Is it meaningful to distinguish between generalized and specific Internet addiction? Evidence from a cross‐cultural study from G ermany, S weden, T aiwan and C hina
…, WY Liu, YK Zhu, CB Li, S Markett… - Asia‐Pacific …, 2015 - Wiley Online Library
Introduction It has been hypothesized that two distinctive forms of Internet addiction exist.
Here, generalized Internet addiction refers to the problematic use of the Internet covering a …
Here, generalized Internet addiction refers to the problematic use of the Internet covering a …
Investigating the genetic basis of altruism: the role of the COMT Val158Met polymorphism
…, C Frenzel, NT Walter, S Markett… - Social cognitive and …, 2011 - academic.oup.com
Findings from twin studies yield heritability estimates of 0.50 for prosocial behaviours like
empathy, cooperativeness and altruism. First molecular genetic studies underline the influence …
empathy, cooperativeness and altruism. First molecular genetic studies underline the influence …
[HTML][HTML] A new measure for the revised reinforcement sensitivity theory: Psychometric criteria and genetic validation
Jeffrey Gray's Reinforcement Sensitivity Theory (RST) represents one of the most influential
biologically-based personality theories describing individual differences in approach and …
biologically-based personality theories describing individual differences in approach and …
Assessment of empathy via self-report and behavioural paradigms: data on convergent and discriminant validity
Introduction. Research on empathy has a long tradition in clinical research, as deficits in
empathy have been found in many mental disorders. Over decades, a large amount of …
empathy have been found in many mental disorders. Over decades, a large amount of …
Ignorance is no excuse: moral judgments are influenced by a genetic variation on the oxytocin receptor gene
Perspective-taking has become a main focus of studies on moral judgments. Recent fMRI
studies have demonstrated that individual differences in brain activation predict moral decision …
studies have demonstrated that individual differences in brain activation predict moral decision …
The Big Five of Personality and structural imaging revisited: a VBM–DARTEL study
The present study focuses on the neurostructural foundations of the human personality. In a
large sample of 227 healthy human individuals (168 women and 59 men), we used MRI to …
large sample of 227 healthy human individuals (168 women and 59 men), we used MRI to …
Assessing the function of the fronto‐parietal attention network: insights from resting‐state fMRI and the attentional network test
In the recent past, various intrinsic connectivity networks (ICN) have been identified in the
resting brain. It has been hypothesized that the fronto‐parietal ICN is involved in attentional …
resting brain. It has been hypothesized that the fronto‐parietal ICN is involved in attentional …
Facebook usage on smartphones and gray matter volume of the nucleus accumbens
A recent study has implicated the nucleus accumbens of the ventral striatum in explaining
why online-users spend time on the social network platform Facebook. Here, higher activity of …
why online-users spend time on the social network platform Facebook. Here, higher activity of …
Self-esteem, personality and internet addiction: A cross-cultural comparison study
…, M Feldmann, M Hellmann, J Keiper, S Markett… - Personality and …, 2014 - Elsevier
Previous work from Germany and Austria highlighted the importance of personality and
excessive private Internet usage for Internet Addiction (IA). In a cross-cultural approach we tried …
excessive private Internet usage for Internet Addiction (IA). In a cross-cultural approach we tried …
The role of the CHRNA4 gene in Internet addiction: a case-control study
Recent studies from Asia provided first evidence for a molecular genetic link between serotonergic
and dopaminergic neurotransmission and Internet addiction. The present report offers …
and dopaminergic neurotransmission and Internet addiction. The present report offers …