Exam 14: Remembering Relationships
Match the following brain structures with their role in memory:
-_____ plays a central role in pattern separation in the hippocampus
C
Hippocampal lesions affect spatial but not object recognition memory and perirhinal/postrhinal lesions affect object recognition but not spatial memory. This is an example of _________________.
double dissociation
What additional sorts of experiments or exercises could have been done with patient H.M. that would have furthered our understanding of the role of the medial temporal lobes in learning and memory?
There are several additional experiments or exercises that could have been done with patient H.M. to further our understanding of the role of the medial temporal lobes in learning and memory.
1. Spatial memory tasks: Patient H.M. could have been tested on tasks that require spatial memory, such as navigating through a maze or remembering the location of objects in a room. This would help to determine if his medial temporal lobes were involved in spatial memory processing.
2. Long-term memory consolidation: Patient H.M. could have been tested on tasks that assess long-term memory consolidation, such as learning new information and then being tested on it after a delay. This would help to determine if his medial temporal lobes were involved in the consolidation of long-term memories.
3. Pattern separation tasks: Patient H.M. could have been tested on tasks that require pattern separation, such as distinguishing between similar items or events. This would help to determine if his medial temporal lobes were involved in the process of creating distinct memories for similar experiences.
4. Neuroimaging studies: Patient H.M. could have undergone neuroimaging studies, such as functional magnetic resonance imaging (fMRI) or positron emission tomography (PET), to examine the activity of his medial temporal lobes during memory tasks. This would provide valuable information about the specific neural mechanisms underlying his memory deficits.
Overall, conducting these additional experiments and exercises with patient H.M. could have provided further insights into the role of the medial temporal lobes in learning and memory.
Your ability to perceive the sound of a trumpet amongst a cacophony of sounds in a jazz ensemble is because of what type of learning?
The hippocampus is necessary for __________, connecting memories of objects through space and time.
Match the following brain structures with their role in memory:
-_____ fundamental in long-term memory formation and orienting a memory in space and time
Figures 14.6 and 14.7 In the text show some fundamental experimental findings in understanding the roles of the hippocampus, amygdala, entorhinal, and perirhinal cortices. According to these experiments, which brain region is the least involved in spontaneous short term memory?
Rats employ ___________________of food preferences by smelling the breath of other rats as a primary way of distinguishing what foods are safe to eat.
Which of the following shows the correct circuitry from the entorhinal cortex through the hippocampus?
How is Pavolovian fear conditioning in rats different from the original Pavlovian conditioning experiment with dogs?
Explain how you are able to distinguish your memories of an experience from the actual experience itself. Trace the pathways of memory formation and recall and their relative strength of synaptic firing in each.
All of the following stimuli would likely increase firing and adrenaline release by the locus coeruleus?
Place the following hippocampal and cortical projections in the correct order.
Memory consolidation requires relocation to the neocortex, which is termed ___________ consolidation.
Many CA3 neurons project to a dense network of additional neurons creating an ______________network of connectivity.
We tend to recognize traumatic or threatening situations very vividly. What neuronal mechanisms explain this?
Match the following brain structures with their role in memory:
-_____ important in behaviorally aroused memory formation mediated by norepinephrine
If you could analyze the brains of Shereshevsky and A. J., what might you expect the areas of increased mass or neural activity to be and why?
Refer to figure 14.7 C. In the text How does a hippocampal lesioned rat compare to a perirhinal lesioned rat in an 8-arm radial maze spatial memory task?
Briefly describe one of your most vivid memories in the last 5 years. Explain how the activity of distinct areas the brain affected forming and recalling this memory.
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