By Plotting Possible Trajectories of the Iron Rod That Penetrated

question 30

Multiple Choice

By plotting possible trajectories of the iron rod that penetrated the head of Phineas Gage,psychologists were able to determine that the damage occurred in an area of:

• A)the prefrontal cortex that is associated with rational decisions and emotions.
• B)the somatosensory cortex that is associated with pressure,pain,and touch.
• C)the visual cortex that is associated with visual recognition.
• D)the motor cortex that is associated with voluntary movements.

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Definitions:

Dendritic Spines

Small, protruding structures found on the dendrites of neurons that form synaptic connections and are key to neuronal plasticity and learning.

Habituation

The psychological process by which an individual becomes accustomed to a stimulus through repeated exposure, leading to a decrease in response.

Sensitization

An increased response to a stimulus after repeated exposure, often leading to heightened sensitivity.

Chemical Synapses

Sites where neurons communicate with each other or with effector organs through chemical messengers.