Does Reward Responsivity Moderate or Mediate Effects of Parental Depression on Offspring?

Panayiota Siskos 2023 Figure 1: Depression alters the reward responsivity, and is described as having less tendency to adjust behavior or put in effort for rewards. Depression has alterations in reward responsiveness constructs with subjective experiences of pleasure and neural activation for rewarding. Alterations may be assessed with neurophysiological measures including reward positivity event-related potential which correlates with positive emotionality in kids, behavioral, and self-report … Continue reading Does Reward Responsivity Moderate or Mediate Effects of Parental Depression on Offspring?

Psychosis from schizophrenia can lead to social isolation

Joyce Chen ‘23 As humans, we are able to distinguish between what is real and what is not. But sometimes, the lines between reality and fantasy can get blurred. Psychosis is a mental condition where an individual loses his or her sense of perception due to an impairment in thought, resulting in a loss of connection with reality. Untreated psychosis has been theorized to be … Continue reading Psychosis from schizophrenia can lead to social isolation

Can Immediate Gains in Single-Session Intervention Predict Long-Symptom Change?

Panayiota Siskos ’23 Single-session interventions (SSIs) for youth mental health problems show promise to prevent and reduce youth psychopathology and may be a good alternative to the more traditional multi-session ones that are inaccessible due to logistical and financial obstacles. However, SSIs may not be beneficial for everyone, and it is important to differentiate the needs of youths. Immediate gains, or improvements, in program-specific targets, … Continue reading Can Immediate Gains in Single-Session Intervention Predict Long-Symptom Change?

How Willing are Babies to Share Food?

Ayesha Azeem ‘23 Altruistic behavior is an intraspecies trait seen in no other species other than humans. Food altruism in particular involves giving nutritious food to needy strangers, even if one desires the food. Humans have developed customs and institutions to provide the needy with food, even when scarce and they need it themselves. Surprisingly, though altruism has been noted in humans, it is not … Continue reading How Willing are Babies to Share Food?

The importance of first impressions

Joyce Chen ’23 When it comes to meeting someone new, a first impression is especially significant. Naturally, humans want to create an everlasting effect or influence on others from their very first impression; However, there are several drawbacks, one of which being dominance. A study conducted by Laura Clark at the University of Lincoln aims to investigate the judgments of people based on the facial … Continue reading The importance of first impressions

Threatening cues have a larger effect on perception than neutral cues

Panayiota Siskos ’23 The theory of predictive coding states that the brain continuously creates a mental model of the surrounding environment using prior knowledge from memory. This mental model is then used to predict sensory input, such as anticipating a smell, a sound, or a touch.  A group of researchers from Stony Brook University and Columbia University studied the effect of threatening cues on sensory … Continue reading Threatening cues have a larger effect on perception than neutral cues

Comfort Eating and Cortisol Reactivity

Ayesha Azeem ‘23 “Comfort-eating,” or increased food intake, is one of the most common responses to stressful situations. Cortisol is the body’s main stress hormone that regulates metabolism and the immune response to stressful situations. Cortisol reactivity under stress can predict stress-related eating behavior and how it affects the body mass index (BMI). Based on one’s cortisol reactivity to a stressor, a person may be … Continue reading Comfort Eating and Cortisol Reactivity

Examining the Benefits of Unique Coloration for Male Trinidad Guppies

Fatin Chowdhury ’20 The predisposition of organisms in seeking certain phenotypic traits in mates is an oft-observed aspect of the natural world, with sexual selection being a well-studied phenomenon. However, unique coloration specifically often seems to be more linked to lessened survivability (due to an inability to camouflage in environments), or phenomena such as aposematism, where unique colors serve as a warning for predators. In … Continue reading Examining the Benefits of Unique Coloration for Male Trinidad Guppies

How Do We Recognize Dog Emotions?

Ayesha Azeem ‘23 We humans are very complex creatures. When we spend a lot of time in close association with a species, we tend to treat them as if they are humans as well, and we can decipher their emotions clearly. With the expression of emotions, we can communicate our motivations, responses and needs to others. Recognizing animals’ emotions can be beneficial, as it may … Continue reading How Do We Recognize Dog Emotions?

How Relaxing Music Affects Sleep

Ayesha Azeem ‘23 Sleep is vital for maintaining physical and mental health and general well-being. However, our society often witnesses sleep disturbances, especially as we get older and in those who suffer from psychological disorders. However, many people, especially the elderly or those suffering from psychological disorders, experience sleep disturbances. Though some may use sleep-inducing medication, this may not be as effective as toleration can … Continue reading How Relaxing Music Affects Sleep