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Professor identifies brain signature for negative emotion

One of the images Chang used in the study to evince negative emotions. (Source:  Flickr, Credit: AndreasS)

Professor Luke Chang at Dartmouth College has identified a brain signature that can predict emotion with impressive accuracy. By applying machine learning techniques to fMRI data, he mapped disparate regions of the brain that work together to produce strong emotions. These findings could one day be used as ‘benchmarks’ for […]


Greater social reward signal in the brain associated with trust

Trust in a friend is associated with a heightened sense of reward from the interaction. (Source: Wikimedia Commons, Credit: Venpia)

According to a study conducted by Professor Luke Chang at Dartmouth College, people find their interactions with close friends more rewarding than interactions with strangers. This holds true even if their chances of being rewarded by either interaction is the same, implying a role of prior trust in establishing such […]


Changes in eyes related to development of schizophrenia

A myriad of visual problems based in the eyes may contribute to the symptoms and development of schizophrenia. (Source: Wikimedia Commons)

Two researchers from the New York Eye and Ear Infirmary of Mount Sinai and Rutgers University have found that changes in the structure of the eyes are associated with schizophrenia. Such changes provide another means to understand the disorder beyond changes in the brain (1). However, as the retina is […]


Researchers discover the key to staying dry underwater

Caption: Aquatic insects such as the pictured water bug use the same nanoscale surface roughness as the experimental, synthetic compounds in order to remain dry. (Source: Wikimedia Commons)

Oftentimes, the state of being “underwater” and being “wet” are used synonymously, but one can be wet without being underwater; and according to researchers at Northwestern University, one can be underwater without being wet (1). Through a combination of analysis of “air-retaining insect surfaces” used by aquatic insects, aging and […]


Age-related metabolic stress degrades our immune systems: Preventable with antioxidants

The body’s ability to create new T-cells decreases with age. (Source: Wikimedia Commons, Credit: NIAID)

For a long time, there has been a suspected connection between normal immune function and antioxidants, according to The Scripps Research Institute (TSRI) Professor Petrie (1). A new study by the Florida campus of TSRI has finally discovered the mechanism underlying the age-related degradation of the immune system and how […]


Mission Statement

Founded in 1998, the Dartmouth Undergraduate Journal of Science aims to increase scientific awareness within the Dartmouth community by providing an interdisciplinary forum for sharing undergraduate research and enriching scientific knowledge.

Want to join the DUJS staff?

All the undergraduates of Dartmouth College are welcome to join our staff. Our staff includes students interested in writing, editing, photography, graphics, web design, and more! Please contact us to be added to our e-mail list. Staff meetings are Thursday evenings at 8 pm in Carson L02.